73115965 has 16 divisors (see below), whose sum is σ = 98598528. Its totient is φ = 51644736.

The previous prime is 73115909. The next prime is 73115993. The reversal of 73115965 is 56951137.

It is not a de Polignac number, because 73115965 - 2¹¹ = 73113917 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, 22959 + ... + 25948.

It is an arithmetic number, because the mean of its divisors is an integer number (6162408).

Almost surely, 2^73115965 is an apocalyptic number.

It is an amenable number.

73115965 is a deficient number, since it is larger than the sum of its proper divisors (25482563).

73115965 is a wasteful number, since it uses less digits than its factorization.

73115965 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48948.

The product of its digits is 28350, while the sum is 37.

The square root of 73115965 is about 8550.7873906442. The cubic root of 73115965 is about 418.1551071542.

The spelling of 73115965 in words is "seventy-three million, one hundred fifteen thousand, nine hundred sixty-five".