3215937972 has 24 divisors (see below), whose sum is σ = 8081075296. Its totient is φ = 989519328.

The previous prime is 3215937941. The next prime is 3215938009. The reversal of 3215937972 is 2797395123.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a congruent number.

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, 10307338 + ... + 10307649.

Almost surely, 2^3215937972 is an apocalyptic number.

It is an amenable number.

3215937972 is an abundant number, since it is smaller than the sum of its proper divisors (4865137324).

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

3215937972 is a wasteful number, since it uses less digits than its factorization.

3215937972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20615007 (or 20615005 counting only the distinct ones).

The product of its digits is 714420, while the sum is 48.

The square root of 3215937972 is about 56709.2406226710. The cubic root of 3215937972 is about 1476.0550485855.

The spelling of 3215937972 in words is "three billion, two hundred fifteen million, nine hundred thirty-seven thousand, nine hundred seventy-two".