72270804 has 12 divisors (see below), whose sum is σ = 168631904. Its totient is φ = 24090264.

The previous prime is 72270773. The next prime is 72270817. The reversal of 72270804 is 40807227.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×72270804² = 10446138221612832, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3011272 + ... + 3011295.

Almost surely, 2^72270804 is an apocalyptic number.

It is an amenable number.

72270804 is an abundant number, since it is smaller than the sum of its proper divisors (96361100).

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

72270804 is a wasteful number, since it uses less digits than its factorization.

72270804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6022574 (or 6022572 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 30.

The square root of 72270804 is about 8501.2236766244. The cubic root of 72270804 is about 416.5376815327.

The spelling of 72270804 in words is "seventy-two million, two hundred seventy thousand, eight hundred four".