72522196 has 12 divisors (see below), whose sum is σ = 127219680. Its totient is φ = 36173720.

The previous prime is 72522181. The next prime is 72522211. The reversal of 72522196 is 69122527.

It is an interprime number because it is at equal distance from previous prime (72522181) and next prime (72522211).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19960 + ... + 23311.

It is an arithmetic number, because the mean of its divisors is an integer number (10601640).

Almost surely, 2^72522196 is an apocalyptic number.

It is an amenable number.

72522196 is a deficient number, since it is larger than the sum of its proper divisors (54697484).

72522196 is a wasteful number, since it uses less digits than its factorization.

72522196 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43694 (or 43692 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 72522196 is about 8515.9964772186. The cubic root of 72522196 is about 417.0200942265.

The spelling of 72522196 in words is "seventy-two million, five hundred twenty-two thousand, one hundred ninety-six".