32989072 has 20 divisors (see below), whose sum is σ = 64197900. Its totient is φ = 16421888.

The previous prime is 32989069. The next prime is 32989087. The reversal of 32989072 is 27098923.

It can be written as a sum of positive squares in 2 ways, for example, as 2119936 + 30869136 = 1456^2 + 5556^2 .

It is an alternating number because its digits alternate between odd and even.

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, 697 + ... + 8152.

It is an arithmetic number, because the mean of its divisors is an integer number (3209895).

Almost surely, 2^32989072 is an apocalyptic number.

It is an amenable number.

32989072 is a deficient number, since it is larger than the sum of its proper divisors (31208828).

32989072 is a wasteful number, since it uses less digits than its factorization.

32989072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9090 (or 9084 counting only the distinct ones).

The product of its (nonzero) digits is 54432, while the sum is 40.

The square root of 32989072 is about 5743.6114074683. The cubic root of 32989072 is about 320.7180230955.

It can be divided in two parts, 329 and 89072, that added together give a square (89401 = 299²).

The spelling of 32989072 in words is "thirty-two million, nine hundred eighty-nine thousand, seventy-two".