72932870 has 16 divisors (see below), whose sum is σ = 131617008. Its totient is φ = 29098080.

The previous prime is 72932869. The next prime is 72932897. The reversal of 72932870 is 7823927.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5216 + ... + 13155.

It is an arithmetic number, because the mean of its divisors is an integer number (8226063).

Almost surely, 2^72932870 is an apocalyptic number.

72932870 is a deficient number, since it is larger than the sum of its proper divisors (58684138).

72932870 is a wasteful number, since it uses less digits than its factorization.

72932870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18775.

The product of its (nonzero) digits is 42336, while the sum is 38.

The square root of 72932870 is about 8540.0743556482. The cubic root of 72932870 is about 417.8057711980.

The spelling of 72932870 in words is "seventy-two million, nine hundred thirty-two thousand, eight hundred seventy".