72372715 has 8 divisors (see below), whose sum is σ = 88695360. Its totient is φ = 56666112.

The previous prime is 72372709. The next prime is 72372721. The reversal of 72372715 is 51727327.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (72372709) and next prime (72372721).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 72372715 - 2⁵ = 72372683 is a prime.

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, 153750 + ... + 154219.

It is an arithmetic number, because the mean of its divisors is an integer number (11086920).

Almost surely, 2^72372715 is an apocalyptic number.

72372715 is a deficient number, since it is larger than the sum of its proper divisors (16322645).

72372715 is a wasteful number, since it uses less digits than its factorization.

72372715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308021.

The product of its digits is 20580, while the sum is 34.

The square root of 72372715 is about 8507.2154668846. The cubic root of 72372715 is about 416.7333798956.

The spelling of 72372715 in words is "seventy-two million, three hundred seventy-two thousand, seven hundred fifteen".