73117065 has 48 divisors (see below), whose sum is σ = 140520960. Its totient is φ = 32336640.

The previous prime is 73117049. The next prime is 73117067. The reversal of 73117065 is 56071137.

It is not a de Polignac number, because 73117065 - 2⁴ = 73117049 is a prime.

It is a super-2 number, since 2×73117065² = 10692210388428450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73117067) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21181 + ... + 24389.

It is an arithmetic number, because the mean of its divisors is an integer number (2927520).

Almost surely, 2^73117065 is an apocalyptic number.

It is an amenable number.

73117065 is a deficient number, since it is larger than the sum of its proper divisors (67403895).

73117065 is a wasteful number, since it uses less digits than its factorization.

73117065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3262 (or 3255 counting only the distinct ones).

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 73117065 is about 8550.8517119641. The cubic root of 73117065 is about 418.1572041350.

The spelling of 73117065 in words is "seventy-three million, one hundred seventeen thousand, sixty-five".