972660940 has 24 divisors (see below), whose sum is σ = 2054006640. Its totient is φ = 386889408.

The previous prime is 972660919. The next prime is 972661003. The reversal of 972660940 is 49066279.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132267 + ... + 139426.

It is an arithmetic number, because the mean of its divisors is an integer number (85583610).

Almost surely, 2^972660940 is an apocalyptic number.

It is an amenable number.

972660940 is an abundant number, since it is smaller than the sum of its proper divisors (1081345700).

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

972660940 is a wasteful number, since it uses less digits than its factorization.

972660940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271881 (or 271879 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 43.

The square root of 972660940 is about 31187.5125651277. The cubic root of 972660940 is about 990.8026480558.

The spelling of 972660940 in words is "nine hundred seventy-two million, six hundred sixty thousand, nine hundred forty".