73217364 has 24 divisors (see below), whose sum is σ = 186371808. Its totient is φ = 22187040.

The previous prime is 73217329. The next prime is 73217369. The reversal of 73217364 is 46371237.

It is a super-2 number, since 2×73217364² = 10721564782216992, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73217369) 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 7 ways as a sum of consecutive naturals, for example, 277207 + ... + 277470.

It is an arithmetic number, because the mean of its divisors is an integer number (7765492).

Almost surely, 2^73217364 is an apocalyptic number.

It is an amenable number.

73217364 is an abundant number, since it is smaller than the sum of its proper divisors (113154444).

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

73217364 is a wasteful number, since it uses less digits than its factorization.

73217364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554695 (or 554693 counting only the distinct ones).

The product of its digits is 21168, while the sum is 33.

The square root of 73217364 is about 8556.7145564171. The cubic root of 73217364 is about 418.3483204245.

It can be divided in two parts, 732173 and 64, that added together give a palindrome (732237).

The spelling of 73217364 in words is "seventy-three million, two hundred seventeen thousand, three hundred sixty-four".