72880004 has 12 divisors (see below), whose sum is σ = 127615824. Its totient is φ = 36418344.

The previous prime is 72879979. The next prime is 72880057. The reversal of 72880004 is 40008827.

It is a super-2 number, since 2×72880004² = 10622989966080032, which contains 22 as substring.

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, 3959 + ... + 12705.

It is an arithmetic number, because the mean of its divisors is an integer number (10634652).

Almost surely, 2^72880004 is an apocalyptic number.

It is an amenable number.

72880004 is a deficient number, since it is larger than the sum of its proper divisors (54735820).

72880004 is a wasteful number, since it uses less digits than its factorization.

72880004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10834 (or 10832 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 29.

The square root of 72880004 is about 8536.9786224401. The cubic root of 72880004 is about 417.7047967957.

The spelling of 72880004 in words is "seventy-two million, eight hundred eighty thousand, four".