72204008 has 16 divisors (see below), whose sum is σ = 137238180. Its totient is φ = 35607168.

The previous prime is 72204001. The next prime is 72204019. The reversal of 72204008 is 80040227.

It can be written as a sum of positive squares in 2 ways, for example, as 68525284 + 3678724 = 8278^2 + 1918^2 .

It is not an unprimeable number, because it can be changed into a prime (72204001) 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, 61235 + ... + 62402.

Almost surely, 2^72204008 is an apocalyptic number.

It is an amenable number.

72204008 is a deficient number, since it is larger than the sum of its proper divisors (65034172).

72204008 is a wasteful number, since it uses less digits than its factorization.

72204008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123716 (or 123712 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 23.

The square root of 72204008 is about 8497.2941575539. The cubic root of 72204008 is about 416.4093142178.

The spelling of 72204008 in words is "seventy-two million, two hundred four thousand, eight".