72988626 has 16 divisors (see below), whose sum is σ = 146500128. Its totient is φ = 24242400.

The previous prime is 72988613. The next prime is 72988631. The reversal of 72988626 is 62688927.

It is a happy 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, 19960 + ... + 23331.

It is an arithmetic number, because the mean of its divisors is an integer number (9156258).

Almost surely, 2^72988626 is an apocalyptic number.

72988626 is an abundant number, since it is smaller than the sum of its proper divisors (73511502).

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

72988626 is a wasteful number, since it uses less digits than its factorization.

72988626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43577.

The product of its digits is 580608, while the sum is 48.

The square root of 72988626 is about 8543.3381063844. The cubic root of 72988626 is about 417.9122126641.

The spelling of 72988626 in words is "seventy-two million, nine hundred eighty-eight thousand, six hundred twenty-six".