72385122 has 16 divisors (see below), whose sum is σ = 144853632. Its totient is φ = 24114480.

The previous prime is 72385111. The next prime is 72385141. The reversal of 72385122 is 22158327.

It is a self number, because there is not a number n which added to its sum of digits gives 72385122.

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, 18672 + ... + 22212.

It is an arithmetic number, because the mean of its divisors is an integer number (9053352).

Almost surely, 2^72385122 is an apocalyptic number.

72385122 is an abundant number, since it is smaller than the sum of its proper divisors (72468510).

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

72385122 is a wasteful number, since it uses less digits than its factorization.

72385122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6953.

The product of its digits is 6720, while the sum is 30.

The square root of 72385122 is about 8507.9446401584. The cubic root of 72385122 is about 416.7571923486.

The spelling of 72385122 in words is "seventy-two million, three hundred eighty-five thousand, one hundred twenty-two".