72244315 has 32 divisors (see below), whose sum is σ = 103219200. Its totient is φ = 47848320.

The previous prime is 72244301. The next prime is 72244321. The reversal of 72244315 is 51344227.

It is not a de Polignac number, because 72244315 - 2⁵ = 72244283 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55846 + ... + 57124.

It is an arithmetic number, because the mean of its divisors is an integer number (3225600).

Almost surely, 2^72244315 is an apocalyptic number.

72244315 is a deficient number, since it is larger than the sum of its proper divisors (30974885).

72244315 is a wasteful number, since it uses less digits than its factorization.

72244315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1387.

The product of its digits is 6720, while the sum is 28.

The square root of 72244315 is about 8499.6655816567. The cubic root of 72244315 is about 416.4867849311.

The spelling of 72244315 in words is "seventy-two million, two hundred forty-four thousand, three hundred fifteen".