73165879 has 4 divisors (see below), whose sum is σ = 73203120. Its totient is φ = 73128640.

The previous prime is 73165871. The next prime is 73165889. The reversal of 73165879 is 97856137.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 73165879 - 2³ = 73165871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73165871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15499 + ... + 19660.

It is an arithmetic number, because the mean of its divisors is an integer number (18300780).

Almost surely, 2^73165879 is an apocalyptic number.

73165879 is a deficient number, since it is larger than the sum of its proper divisors (37241).

73165879 is a wasteful number, since it uses less digits than its factorization.

73165879 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37240.

The product of its digits is 317520, while the sum is 46.

The square root of 73165879 is about 8553.7055712714. The cubic root of 73165879 is about 418.2502393474.

It can be divided in two parts, 7 and 3165879, that multiplied together give a triangular number (22161153 = T₆₆₅₇).

The spelling of 73165879 in words is "seventy-three million, one hundred sixty-five thousand, eight hundred seventy-nine".