74856728 has 16 divisors (see below), whose sum is σ = 140450760. Its totient is φ = 37403200.

The previous prime is 74856707. The next prime is 74856739. The reversal of 74856728 is 82765847.

It is a congruent 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, 17348 + ... + 21228.

Almost surely, 2^74856728 is an apocalyptic number.

It is an amenable number.

74856728 is a deficient number, since it is larger than the sum of its proper divisors (65594032).

74856728 is a wasteful number, since it uses less digits than its factorization.

74856728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6298 (or 6294 counting only the distinct ones).

The product of its digits is 752640, while the sum is 47.

The square root of 74856728 is about 8651.9782708927. The cubic root of 74856728 is about 421.4476275100.

The spelling of 74856728 in words is "seventy-four million, eight hundred fifty-six thousand, seven hundred twenty-eight".