73115964 has 18 divisors (see below), whose sum is σ = 184821000. Its totient is φ = 24371976.

The previous prime is 73115909. The next prime is 73115993. The reversal of 73115964 is 46951137.

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 2030999 = 73115964 / (7 + 3 + 1 + 1 + 5 + 9 + 6 + 4).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1015464 + ... + 1015535.

Almost surely, 2^73115964 is an apocalyptic number.

It is an amenable number.

73115964 is an abundant number, since it is smaller than the sum of its proper divisors (111705036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73115964 is a wasteful number, since it uses less digits than its factorization.

73115964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2031009 (or 2031004 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 73115964 is about 8550.7873321701. The cubic root of 73115964 is about 418.1551052479.

The spelling of 73115964 in words is "seventy-three million, one hundred fifteen thousand, nine hundred sixty-four".