972921760 has 24 divisors (see below), whose sum is σ = 2298528036. Its totient is φ = 389168640.

The previous prime is 972921749. The next prime is 972921779. The reversal of 972921760 is 67129279.

It can be written as a sum of positive squares in 2 ways, for example, as 829209616 + 143712144 = 28796^2 + 11988^2 .

It is a Smith number, since the sum of its digits (43) coincides with the sum of the digits of its prime factors.

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, 3040221 + ... + 3040540.

Almost surely, 2^972921760 is an apocalyptic number.

It is an amenable number.

972921760 is an abundant number, since it is smaller than the sum of its proper divisors (1325606276).

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

972921760 is a wasteful number, since it uses less digits than its factorization.

972921760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6080776 (or 6080768 counting only the distinct ones).

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 972921760 is about 31191.6937661295. The cubic root of 972921760 is about 990.8912017134.

The spelling of 972921760 in words is "nine hundred seventy-two million, nine hundred twenty-one thousand, seven hundred sixty".