72772196 has 24 divisors (see below), whose sum is σ = 146529600. Its totient is φ = 30976992.

The previous prime is 72772177. The next prime is 72772243. The reversal of 72772196 is 69127727.

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, 4550 + ... + 12893.

It is an arithmetic number, because the mean of its divisors is an integer number (6105400).

Almost surely, 2^72772196 is an apocalyptic number.

It is an amenable number.

72772196 is an abundant number, since it is smaller than the sum of its proper divisors (73757404).

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

72772196 is a wasteful number, since it uses less digits than its factorization.

72772196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17603 (or 17601 counting only the distinct ones).

The product of its digits is 74088, while the sum is 41.

The square root of 72772196 is about 8530.6621079492. The cubic root of 72772196 is about 417.4987313956.

The spelling of 72772196 in words is "seventy-two million, seven hundred seventy-two thousand, one hundred ninety-six".