73150812673173 has 6 divisors (see below), whose sum is σ = 105662284972374. Its totient is φ = 48767208448776.

The previous prime is 73150812673027. The next prime is 73150812673177. The reversal of 73150812673173 is 37137621805137.

73150812673173 is a `hidden beast` number, since 7 + 3 + 1 + 508 + 1 + 2 + 67 + 3 + 1 + 73 = 666.

It can be written as a sum of positive squares in only one way, i.e., 72136858328964 + 1013954344209 = 8493342^2 + 1006953^2 .

It is not a de Polignac number, because 73150812673173 - 2⁴⁰ = 72051301045397 is a prime.

It is a super-2 number, since 2×73150812673173² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73150812673177) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4063934037390 + ... + 4063934037407.

It is an arithmetic number, because the mean of its divisors is an integer number (17610380828729).

Almost surely, 2^{73150812673173} is an apocalyptic number.

It is an amenable number.

73150812673173 is a deficient number, since it is larger than the sum of its proper divisors (32511472299201).

73150812673173 is a wasteful number, since it uses less digits than its factorization.

73150812673173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8127868074803 (or 8127868074800 counting only the distinct ones).

The product of its (nonzero) digits is 4445280, while the sum is 54.

The spelling of 73150812673173 in words is "seventy-three trillion, one hundred fifty billion, eight hundred twelve million, six hundred seventy-three thousand, one hundred seventy-three".