32491972 has 12 divisors (see below), whose sum is σ = 57074220. Its totient is φ = 16185056.

The previous prime is 32491969. The next prime is 32491997. The reversal of 32491972 is 27919423.

It can be written as a sum of positive squares in 2 ways, for example, as 4866436 + 27625536 = 2206^2 + 5256^2 .

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, 14023 + ... + 16174.

It is an arithmetic number, because the mean of its divisors is an integer number (4756185).

Almost surely, 2^32491972 is an apocalyptic number.

It is an amenable number.

32491972 is a deficient number, since it is larger than the sum of its proper divisors (24582248).

32491972 is a wasteful number, since it uses less digits than its factorization.

32491972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30470 (or 30468 counting only the distinct ones).

The product of its digits is 27216, while the sum is 37.

The square root of 32491972 is about 5700.1729798314. The cubic root of 32491972 is about 319.0989364999.

The spelling of 32491972 in words is "thirty-two million, four hundred ninety-one thousand, nine hundred seventy-two".