72204808 has 16 divisors (see below), whose sum is σ = 145798380. Its totient is φ = 33325248.

The previous prime is 72204793. The next prime is 72204817. The reversal of 72204808 is 80840227.

It can be written as a sum of positive squares in 2 ways, for example, as 59259204 + 12945604 = 7698^2 + 3598^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 72204808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 347035 + ... + 347242.

Almost surely, 2^72204808 is an apocalyptic number.

It is an amenable number.

72204808 is an abundant number, since it is smaller than the sum of its proper divisors (73593572).

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

72204808 is a wasteful number, since it uses less digits than its factorization.

72204808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694296 (or 694292 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 72204808 is about 8497.3412312323. The cubic root of 72204808 is about 416.4108521113.

The spelling of 72204808 in words is "seventy-two million, two hundred four thousand, eight hundred eight".