73519164 has 72 divisors (see below), whose sum is σ = 197317120. Its totient is φ = 23922864.

The previous prime is 73519163. The next prime is 73519177. The reversal of 73519164 is 46191537.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73519163) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 40917 + ... + 42675.

Almost surely, 2^73519164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 73519164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98658560).

73519164 is an abundant number, since it is smaller than the sum of its proper divisors (123797956).

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

73519164 is a wasteful number, since it uses less digits than its factorization.

73519164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1821 (or 1807 counting only the distinct ones).

The product of its digits is 22680, while the sum is 36.

The square root of 73519164 is about 8574.3316940739. The cubic root of 73519164 is about 418.9223392805.

The spelling of 73519164 in words is "seventy-three million, five hundred nineteen thousand, one hundred sixty-four".