974479992 has 32 divisors (see below), whose sum is σ = 2437966080. Its totient is φ = 324591200.

The previous prime is 974479951. The next prime is 974479997. The reversal of 974479992 is 299974479.

It is a super-2 number, since 2×974479992² = 1899222509616640128, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (974479997) 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, 20833 + ... + 48815.

It is an arithmetic number, because the mean of its divisors is an integer number (76186440).

Almost surely, 2^974479992 is an apocalyptic number.

It is an amenable number.

974479992 is an abundant number, since it is smaller than the sum of its proper divisors (1463486088).

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

974479992 is a wasteful number, since it uses less digits than its factorization.

974479992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29443 (or 29439 counting only the distinct ones).

The product of its digits is 10287648, while the sum is 60.

The square root of 974479992 is about 31216.6620893394. The cubic root of 974479992 is about 991.4199235025.

The spelling of 974479992 in words is "nine hundred seventy-four million, four hundred seventy-nine thousand, nine hundred ninety-two".