974378456 has 16 divisors (see below), whose sum is σ = 1828213800. Its totient is φ = 486854784.

The previous prime is 974378441. The next prime is 974378467. The reversal of 974378456 is 654873479.

It is a junction number, because it is equal to n+sod(n) for n = 974378398 and 974378407.

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, 29201 + ... + 52928.

Almost surely, 2^974378456 is an apocalyptic number.

It is an amenable number.

974378456 is a deficient number, since it is larger than the sum of its proper divisors (853835344).

974378456 is a wasteful number, since it uses less digits than its factorization.

974378456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83618 (or 83614 counting only the distinct ones).

The product of its digits is 5080320, while the sum is 53.

The square root of 974378456 is about 31215.0357360039. The cubic root of 974378456 is about 991.3854886208.

The spelling of 974378456 in words is "nine hundred seventy-four million, three hundred seventy-eight thousand, four hundred fifty-six".