972063664 has 90 divisors (see below), whose sum is σ = 2242400748. Its totient is φ = 407721600.

The previous prime is 972063647. The next prime is 972063679. The reversal of 972063664 is 466360279.

It is a self number, because there is not a number n which added to its sum of digits gives 972063664.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 325699 + ... + 328669.

Almost surely, 2^972063664 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 972063664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1121200374).

972063664 is an abundant number, since it is smaller than the sum of its proper divisors (1270337084).

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

972063664 is a wasteful number, since it uses less digits than its factorization.

972063664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3027 (or 2997 counting only the distinct ones).

The product of its (nonzero) digits is 326592, while the sum is 43.

The square root of 972063664 is about 31177.9355313978. The cubic root of 972063664 is about 990.5998011403.

The spelling of 972063664 in words is "nine hundred seventy-two million, sixty-three thousand, six hundred sixty-four".