73165673 has 20 divisors (see below), whose sum is σ = 88197888. Its totient is φ = 60628680.

The previous prime is 73165667. The next prime is 73165681. The reversal of 73165673 is 37656137.

It is not a de Polignac number, because 73165673 - 2¹⁸ = 72903529 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (73165633) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 73940 + ... + 74922.

Almost surely, 2^73165673 is an apocalyptic number.

It is an amenable number.

73165673 is a deficient number, since it is larger than the sum of its proper divisors (15032215).

73165673 is an frugal number, since it uses more digits than its factorization.

73165673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1042 (or 1021 counting only the distinct ones).

The product of its digits is 79380, while the sum is 38.

The square root of 73165673 is about 8553.6935296982. The cubic root of 73165673 is about 418.2498468164.

The spelling of 73165673 in words is "seventy-three million, one hundred sixty-five thousand, six hundred seventy-three".