73115855 has 16 divisors (see below), whose sum is σ = 88923744. Its totient is φ = 57709440.

The previous prime is 73115839. The next prime is 73115891. The reversal of 73115855 is 55851137.

It is not a de Polignac number, because 73115855 - 2⁴ = 73115839 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 156332 + ... + 156798.

It is an arithmetic number, because the mean of its divisors is an integer number (5557734).

Almost surely, 2^73115855 is an apocalyptic number.

73115855 is a deficient number, since it is larger than the sum of its proper divisors (15807889).

73115855 is a wasteful number, since it uses less digits than its factorization.

73115855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 826.

The product of its digits is 21000, while the sum is 35.

The square root of 73115855 is about 8550.7809584856. The cubic root of 73115855 is about 418.1548974550.

The spelling of 73115855 in words is "seventy-three million, one hundred fifteen thousand, eight hundred fifty-five".