72532315 has 8 divisors (see below), whose sum is σ = 87420240. Its totient is φ = 57771552.

The previous prime is 72532309. The next prime is 72532333. The reversal of 72532315 is 51323527.

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 72532315 - 2⁵ = 72532283 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, 30529 + ... + 32818.

It is an arithmetic number, because the mean of its divisors is an integer number (10927530).

Almost surely, 2^72532315 is an apocalyptic number.

72532315 is a deficient number, since it is larger than the sum of its proper divisors (14887925).

72532315 is a wasteful number, since it uses less digits than its factorization.

72532315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63581.

The product of its digits is 6300, while the sum is 28.

The square root of 72532315 is about 8516.5905736979. The cubic root of 72532315 is about 417.0394888869.

The spelling of 72532315 in words is "seventy-two million, five hundred thirty-two thousand, three hundred fifteen".