72326597 has 12 divisors (see below), whose sum is σ = 88564320. Its totient is φ = 58730616.

The previous prime is 72326587. The next prime is 72326599. The reversal of 72326597 is 79562327.

It is not a de Polignac number, because 72326597 - 2⁴ = 72326581 is a prime.

It is a super-2 number, since 2×72326597² = 10462273267200818, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (72326599) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37913 + ... + 39774.

It is an arithmetic number, because the mean of its divisors is an integer number (7380360).

Almost surely, 2^72326597 is an apocalyptic number.

It is an amenable number.

72326597 is a deficient number, since it is larger than the sum of its proper divisors (16237723).

72326597 is a wasteful number, since it uses less digits than its factorization.

72326597 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77720 (or 77713 counting only the distinct ones).

The product of its digits is 158760, while the sum is 41.

The square root of 72326597 is about 8504.5045123158. The cubic root of 72326597 is about 416.6448428747.

The spelling of 72326597 in words is "seventy-two million, three hundred twenty-six thousand, five hundred ninety-seven".