74739756 has 48 divisors (see below), whose sum is σ = 214640384. Its totient is φ = 19711296.

The previous prime is 74739751. The next prime is 74739779. The reversal of 74739756 is 65793747.

It is a super-2 number, since 2×74739756² = 11172062253879072, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (74739751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33130 + ... + 35313.

Almost surely, 2^74739756 is an apocalyptic number.

It is an amenable number.

74739756 is an abundant number, since it is smaller than the sum of its proper divisors (139900628).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74739756 is a wasteful number, since it uses less digits than its factorization.

74739756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68470 (or 68468 counting only the distinct ones).

The product of its digits is 1111320, while the sum is 48.

The square root of 74739756 is about 8645.2157867806. The cubic root of 74739756 is about 421.2279934029.

The spelling of 74739756 in words is "seventy-four million, seven hundred thirty-nine thousand, seven hundred fifty-six".