72497696 has 24 divisors (see below), whose sum is σ = 143861760. Its totient is φ = 35961408.

The previous prime is 72497681. The next prime is 72497713. The reversal of 72497696 is 69679427.

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, 4856 + ... + 12983.

It is an arithmetic number, because the mean of its divisors is an integer number (5994240).

Almost surely, 2^72497696 is an apocalyptic number.

It is an amenable number.

72497696 is a deficient number, since it is larger than the sum of its proper divisors (71364064).

72497696 is a wasteful number, since it uses less digits than its factorization.

72497696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17976 (or 17968 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 50.

The square root of 72497696 is about 8514.5578863497. The cubic root of 72497696 is about 416.9731286371.

The spelling of 72497696 in words is "seventy-two million, four hundred ninety-seven thousand, six hundred ninety-six".