32978472 has 32 divisors (see below), whose sum is σ = 83680800. Its totient is φ = 10828224.

The previous prime is 32978447. The next prime is 32978501. The reversal of 32978472 is 27487923.

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, 8647 + ... + 11862.

It is an arithmetic number, because the mean of its divisors is an integer number (2615025).

Almost surely, 2^32978472 is an apocalyptic number.

It is an amenable number.

32978472 is an abundant number, since it is smaller than the sum of its proper divisors (50702328).

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

32978472 is a wasteful number, since it uses less digits than its factorization.

32978472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20585 (or 20581 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 32978472 is about 5742.6885689544. The cubic root of 32978472 is about 320.6836685348.

The spelling of 32978472 in words is "thirty-two million, nine hundred seventy-eight thousand, four hundred seventy-two".