73189164 has 12 divisors (see below), whose sum is σ = 170774744. Its totient is φ = 24396384.

The previous prime is 73189153. The next prime is 73189169. The reversal of 73189164 is 46198137.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (73189169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3049537 + ... + 3049560.

Almost surely, 2^73189164 is an apocalyptic number.

It is an amenable number.

73189164 is an abundant number, since it is smaller than the sum of its proper divisors (97585580).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

73189164 is a wasteful number, since it uses less digits than its factorization.

73189164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6099104 (or 6099102 counting only the distinct ones).

The product of its digits is 36288, while the sum is 39.

The square root of 73189164 is about 8555.0665689987. The cubic root of 73189164 is about 418.2946039428.

The spelling of 73189164 in words is "seventy-three million, one hundred eighty-nine thousand, one hundred sixty-four".