72208900 has 36 divisors (see below), whose sum is σ = 157076752. Its totient is φ = 28812960.

The previous prime is 72208897. The next prime is 72208907. The reversal of 72208900 is 980227.

It is not an unprimeable number, because it can be changed into a prime (72208907) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63739 + ... + 64861.

Almost surely, 2^72208900 is an apocalyptic number.

It is an amenable number.

72208900 is an abundant number, since it is smaller than the sum of its proper divisors (84867852).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

72208900 is a wasteful number, since it uses less digits than its factorization.

72208900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1780 (or 1773 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 72208900 is about 8497.5820090188. The cubic root of 72208900 is about 416.4187182589.

The spelling of 72208900 in words is "seventy-two million, two hundred eight thousand, nine hundred".