number.wiki
Number

74

74 is a composite number, even, a calendar year.

Deficient Number Squarefree Year

Properties

Parity
Even
Digit count
2
Digit sum
11
Digital root
2
Palindrome
No
Divisor count
4
σ(n) — sum of divisors
114

Primality

Prime factorization: 2 × 37

Divisors & multiples

All divisors (4)
1 · 2 · 37 · 74
Aliquot sum (sum of proper divisors): 40
Factor pairs (a × b = 74)
1 × 74
2 × 37
First multiples
74 · 148 · 222 · 296 · 370 · 444 · 518 · 592 · 666 · 740

Representations

In words
seventy-four
Ordinal
74th
Roman numeral
LXXIV
Binary
1001010
Octal
112
Hexadecimal
4A

Also seen as

Goldbach decomposition

Goldbach's conjecture says every even integer greater than 2 is the sum of two primes. For 74, here are decompositions:

  • 3 + 71 = 74
  • 7 + 67 = 74
  • 13 + 61 = 74
  • 31 + 43 = 74
  • 37 + 37 = 74
ASCII character

As an ASCII codepoint, 74 is J. Printable ASCII character J.

Hex color
#00004A
RGB(0, 0, 74)
IPv4 address

As an unsigned 32-bit integer, this is the IPv4 address 0.0.0.74.