974315728 has 40 divisors (see below), whose sum is σ = 1913198976. Its totient is φ = 480624000.

The previous prime is 974315723. The next prime is 974315737. The reversal of 974315728 is 827513479.

It is a super-2 number, since 2×974315728² = 1898582275656339968, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974315723) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 511578 + ... + 513478.

Almost surely, 2^974315728 is an apocalyptic number.

It is an amenable number.

974315728 is a deficient number, since it is larger than the sum of its proper divisors (938883248).

974315728 is a wasteful number, since it uses less digits than its factorization.

974315728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2323 (or 2317 counting only the distinct ones).

The product of its digits is 423360, while the sum is 46.

The square root of 974315728 is about 31214.0309476364. The cubic root of 974315728 is about 991.3642138744.

The spelling of 974315728 in words is "nine hundred seventy-four million, three hundred fifteen thousand, seven hundred twenty-eight".