73315915 has 16 divisors (see below), whose sum is σ = 91915200. Its totient is φ = 56068992.

The previous prime is 73315873. The next prime is 73315919. The reversal of 73315915 is 51951337.

It is a cyclic number.

It is not a de Polignac number, because 73315915 - 2⁷ = 73315787 is a prime.

It is not an unprimeable number, because it can be changed into a prime (73315919) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12481 + ... + 17389.

It is an arithmetic number, because the mean of its divisors is an integer number (5744700).

Almost surely, 2^73315915 is an apocalyptic number.

73315915 is a deficient number, since it is larger than the sum of its proper divisors (18599285).

73315915 is a wasteful number, since it uses less digits than its factorization.

73315915 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5046.

The product of its digits is 14175, while the sum is 34.

The square root of 73315915 is about 8562.4713138206. The cubic root of 73315915 is about 418.5359360341.

The spelling of 73315915 in words is "seventy-three million, three hundred fifteen thousand, nine hundred fifteen".