72089132 has 12 divisors (see below), whose sum is σ = 126287616. Its totient is φ = 36006960.

The previous prime is 72089131. The next prime is 72089177. The reversal of 72089132 is 23198027.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (72089131) 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, 4844 + ... + 12947.

It is an arithmetic number, because the mean of its divisors is an integer number (10523968).

Almost surely, 2^72089132 is an apocalyptic number.

It is an amenable number.

72089132 is a deficient number, since it is larger than the sum of its proper divisors (54198484).

72089132 is a wasteful number, since it uses less digits than its factorization.

72089132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18808 (or 18806 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 72089132 is about 8490.5319032438. The cubic root of 72089132 is about 416.1883623679.

The spelling of 72089132 in words is "seventy-two million, eighty-nine thousand, one hundred thirty-two".