32712972 has 12 divisors (see below), whose sum is σ = 76330296. Its totient is φ = 10904320.

The previous prime is 32712961. The next prime is 32712973. The reversal of 32712972 is 27921723.

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

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (32712973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1363029 + ... + 1363052.

It is an arithmetic number, because the mean of its divisors is an integer number (6360858).

Almost surely, 2^32712972 is an apocalyptic number.

It is an amenable number.

32712972 is an abundant number, since it is smaller than the sum of its proper divisors (43617324).

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

32712972 is a wasteful number, since it uses less digits than its factorization.

32712972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2726088 (or 2726086 counting only the distinct ones).

The product of its digits is 10584, while the sum is 33.

The square root of 32712972 is about 5719.5255047950. The cubic root of 32712972 is about 319.8207720312.

The spelling of 32712972 in words is "thirty-two million, seven hundred twelve thousand, nine hundred seventy-two".