72276804 has 36 divisors (see below), whose sum is σ = 182966784. Its totient is φ = 24057072.

The previous prime is 72276797. The next prime is 72276823. The reversal of 72276804 is 40867227.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

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 11 ways as a sum of consecutive naturals, for example, 38209 + ... + 40055.

Almost surely, 2^72276804 is an apocalyptic number.

It is an amenable number.

72276804 is an abundant number, since it is smaller than the sum of its proper divisors (110689980).

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

72276804 is a wasteful number, since it uses less digits than its factorization.

72276804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2944 (or 2939 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 36.

The square root of 72276804 is about 8501.5765596741. The cubic root of 72276804 is about 416.5492083494.

The spelling of 72276804 in words is "seventy-two million, two hundred seventy-six thousand, eight hundred four".