73166885 has 12 divisors (see below), whose sum is σ = 96508524. Its totient is φ = 53211840.

The previous prime is 73166869. The next prime is 73166909. The reversal of 73166885 is 58866137.

It can be written as a sum of positive squares in 2 ways, for example, as 49098049 + 24068836 = 7007^2 + 4906^2 .

It is not a de Polignac number, because 73166885 - 2⁴ = 73166869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59864 + ... + 61073.

It is an arithmetic number, because the mean of its divisors is an integer number (8042377).

Almost surely, 2^73166885 is an apocalyptic number.

It is an amenable number.

73166885 is a deficient number, since it is larger than the sum of its proper divisors (23341639).

73166885 is a wasteful number, since it uses less digits than its factorization.

73166885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120964 (or 120953 counting only the distinct ones).

The product of its digits is 241920, while the sum is 44.

The square root of 73166885 is about 8553.7643759926. The cubic root of 73166885 is about 418.2521562601.

The spelling of 73166885 in words is "seventy-three million, one hundred sixty-six thousand, eight hundred eighty-five".