72204506 has 16 divisors (see below), whose sum is σ = 118951200. Its totient is φ = 32598480.

The previous prime is 72204481. The next prime is 72204511. The reversal of 72204506 is 60540227.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7736 + ... + 14291.

It is an arithmetic number, because the mean of its divisors is an integer number (7434450).

Almost surely, 2^72204506 is an apocalyptic number.

72204506 is a deficient number, since it is larger than the sum of its proper divisors (46746694).

72204506 is a wasteful number, since it uses less digits than its factorization.

72204506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22189.

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 72204506 is about 8497.3234609493. The cubic root of 72204506 is about 416.4102715579.

The spelling of 72204506 in words is "seventy-two million, two hundred four thousand, five hundred six".