72938660 has 24 divisors (see below), whose sum is σ = 158113536. Its totient is φ = 28234080.

The previous prime is 72938651. The next prime is 72938693. The reversal of 72938660 is 6683927.

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, 58202 + ... + 59441.

It is an arithmetic number, because the mean of its divisors is an integer number (6588064).

Almost surely, 2^72938660 is an apocalyptic number.

It is an amenable number.

72938660 is an abundant number, since it is smaller than the sum of its proper divisors (85174876).

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

72938660 is a wasteful number, since it uses less digits than its factorization.

72938660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117683 (or 117681 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 72938660 is about 8540.4133389433. The cubic root of 72938660 is about 417.8168271704.

The spelling of 72938660 in words is "seventy-two million, nine hundred thirty-eight thousand, six hundred sixty".