32002972 has 12 divisors (see below), whose sum is σ = 56315896. Its totient is φ = 15912720.

The previous prime is 32002967. The next prime is 32002987. The reversal of 32002972 is 27920023.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21378 + ... + 22825.

Almost surely, 2^32002972 is an apocalyptic number.

It is an amenable number.

32002972 is a deficient number, since it is larger than the sum of its proper divisors (24312924).

32002972 is a wasteful number, since it uses less digits than its factorization.

32002972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44388 (or 44386 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 32002972 is about 5657.1169335625. The cubic root of 32002972 is about 317.4900387476.

Adding to 32002972 its reverse (27920023), we get a palindrome (59922995).

The spelling of 32002972 in words is "thirty-two million, two thousand, nine hundred seventy-two".