74739856 has 20 divisors (see below), whose sum is σ = 145026432. Its totient is φ = 37313696.

The previous prime is 74739799. The next prime is 74739869. The reversal of 74739856 is 65893747.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8745 + ... + 15031.

Almost surely, 2^74739856 is an apocalyptic number.

It is an amenable number.

74739856 is a deficient number, since it is larger than the sum of its proper divisors (70286576).

74739856 is a wasteful number, since it uses less digits than its factorization.

74739856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7038 (or 7032 counting only the distinct ones).

The product of its digits is 1270080, while the sum is 49.

The square root of 74739856 is about 8645.2215703243. The cubic root of 74739856 is about 421.2281812671.

The spelling of 74739856 in words is "seventy-four million, seven hundred thirty-nine thousand, eight hundred fifty-six".