Numbers / 76

The Number 76

76 is composite: factorization 2^2 × 19. That gives 76 exactly 6 divisors: 1, 2, 4, 19, 38, 76. 76's proper divisors total just 64, 12 short of 76, the deficient case most of 76's neighbors share too. 76 has a digit sum of 13; for 76, the digital root works out to 4. 76: 2, 4 all divide 76 evenly, out of 2-12. 76 is 1001100 in binary and 4C in hex; as a Roman numeral it's LXXVI.