72235564 has 12 divisors (see below), whose sum is σ = 127935864. Its totient is φ = 35682464.

The previous prime is 72235561. The next prime is 72235573. The reversal of 72235564 is 46553227.

It is not an unprimeable number, because it can be changed into a prime (72235561) 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, 108457 + ... + 109120.

It is an arithmetic number, because the mean of its divisors is an integer number (10661322).

Almost surely, 2^72235564 is an apocalyptic number.

It is an amenable number.

72235564 is a deficient number, since it is larger than the sum of its proper divisors (55700300).

72235564 is a wasteful number, since it uses less digits than its factorization.

72235564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217664 (or 217662 counting only the distinct ones).

The product of its digits is 50400, while the sum is 34.

The square root of 72235564 is about 8499.1507811075. The cubic root of 72235564 is about 416.4699678153.

The spelling of 72235564 in words is "seventy-two million, two hundred thirty-five thousand, five hundred sixty-four".