72497022 has 32 divisors (see below), whose sum is σ = 156649248. Its totient is φ = 22235136.

The previous prime is 72496999. The next prime is 72497039. The reversal of 72497022 is 22079427.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 26218 + ... + 28850.

It is an arithmetic number, because the mean of its divisors is an integer number (4895289).

Almost surely, 2^72497022 is an apocalyptic number.

72497022 is an abundant number, since it is smaller than the sum of its proper divisors (84152226).

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

72497022 is a wasteful number, since it uses less digits than its factorization.

72497022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3004.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 72497022 is about 8514.5183069860. The cubic root of 72497022 is about 416.9718364546.

The spelling of 72497022 in words is "seventy-two million, four hundred ninety-seven thousand, twenty-two".