964731972 has 12 divisors (see below), whose sum is σ = 2251041296. Its totient is φ = 321577320.

The previous prime is 964731959. The next prime is 964731983. The reversal of 964731972 is 279137469.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

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, 40197154 + ... + 40197177.

Almost surely, 2^964731972 is an apocalyptic number.

It is an amenable number.

964731972 is an abundant number, since it is smaller than the sum of its proper divisors (1286309324).

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

964731972 is a wasteful number, since it uses less digits than its factorization.

964731972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80394338 (or 80394336 counting only the distinct ones).

The product of its digits is 571536, while the sum is 48.

The square root of 964731972 is about 31060.1347711178. The cubic root of 964731972 is about 988.1030136761.

The spelling of 964731972 in words is "nine hundred sixty-four million, seven hundred thirty-one thousand, nine hundred seventy-two".