72937215 has 24 divisors (see below), whose sum is σ = 136150560. Its totient is φ = 35907264.

The previous prime is 72937201. The next prime is 72937229. The reversal of 72937215 is 51273927.

It is an interprime number because it is at equal distance from previous prime (72937201) and next prime (72937229).

It is not a de Polignac number, because 72937215 - 2⁴ = 72937199 is a prime.

It is a plaindrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 72937215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 61755 + ... + 62924.

It is an arithmetic number, because the mean of its divisors is an integer number (5672940).

Almost surely, 2^72937215 is an apocalyptic number.

72937215 is a deficient number, since it is larger than the sum of its proper divisors (63213345).

72937215 is a wasteful number, since it uses less digits than its factorization.

72937215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 124703 (or 124700 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 72937215 is about 8540.3287407453. The cubic root of 72937215 is about 417.8140680058.

The spelling of 72937215 in words is "seventy-two million, nine hundred thirty-seven thousand, two hundred fifteen".