72 (number)

Cardinalseventy-twoOrdinal72nd
(seventy-second)Factorization2 × 3Divisors1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72Greek numeralΟΒ´Roman numeralLXXII, lxxiiBinary1001000₂Ternary2200₃Senary200₆Octal110₈Duodecimal60₁₂Hexadecimal48₁₆

72 (seventy-two) is the natural number following 71 and preceding 73. It is half a gross and also six dozen (i.e., 60 in duodecimal).