972009732 has 24 divisors (see below), whose sum is σ = 2274350400. Its totient is φ = 323099296.

The previous prime is 972009713. The next prime is 972009737. The reversal of 972009732 is 237900279.

It is not an unprimeable number, because it can be changed into a prime (972009737) 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, 108507 + ... + 117122.

It is an arithmetic number, because the mean of its divisors is an integer number (94764600).

Almost surely, 2^972009732 is an apocalyptic number.

It is an amenable number.

972009732 is an abundant number, since it is smaller than the sum of its proper divisors (1302340668).

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

972009732 is a wasteful number, since it uses less digits than its factorization.

972009732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225995 (or 225993 counting only the distinct ones).

The product of its (nonzero) digits is 47628, while the sum is 39.

The square root of 972009732 is about 31177.0706128719. The cubic root of 972009732 is about 990.5814806611.

The spelling of 972009732 in words is "nine hundred seventy-two million, nine thousand, seven hundred thirty-two".