72459315 has 24 divisors (see below), whose sum is σ = 131058720. Its totient is φ = 36964224.

The previous prime is 72459311. The next prime is 72459391. The reversal of 72459315 is 51395427.

It is not a de Polignac number, because 72459315 - 2² = 72459311 is a prime.

72459315 is a modest number, since divided by 9315 gives 7245 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 72459315.

It is not an unprimeable number, because it can be changed into a prime (72459311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33970 + ... + 36039.

It is an arithmetic number, because the mean of its divisors is an integer number (5460780).

Almost surely, 2^72459315 is an apocalyptic number.

72459315 is a deficient number, since it is larger than the sum of its proper divisors (58599405).

72459315 is a wasteful number, since it uses less digits than its factorization.

72459315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70043 (or 70040 counting only the distinct ones).

The product of its digits is 37800, while the sum is 36.

The square root of 72459315 is about 8512.3037422310. The cubic root of 72459315 is about 416.8995324100.

The spelling of 72459315 in words is "seventy-two million, four hundred fifty-nine thousand, three hundred fifteen".