72920876 has 24 divisors (see below), whose sum is σ = 148947456. Its totient is φ = 30586320.

The previous prime is 72920863. The next prime is 72920899. The reversal of 72920876 is 67802927.

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 7 ways as a sum of consecutive naturals, for example, 26390 + ... + 29021.

It is an arithmetic number, because the mean of its divisors is an integer number (6206144).

Almost surely, 2^72920876 is an apocalyptic number.

It is an amenable number.

72920876 is an abundant number, since it is smaller than the sum of its proper divisors (76026580).

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

72920876 is a wasteful number, since it uses less digits than its factorization.

72920876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55469 (or 55467 counting only the distinct ones).

The product of its (nonzero) digits is 84672, while the sum is 41.

The square root of 72920876 is about 8539.3721080651. The cubic root of 72920876 is about 417.7828668608.

The spelling of 72920876 in words is "seventy-two million, nine hundred twenty thousand, eight hundred seventy-six".