73224916 has 24 divisors (see below), whose sum is σ = 141583680. Its totient is φ = 32959872.

The previous prime is 73224911. The next prime is 73224923. The reversal of 73224916 is 61942237.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73224911) 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, 21846 + ... + 24973.

It is an arithmetic number, because the mean of its divisors is an integer number (5899320).

Almost surely, 2^73224916 is an apocalyptic number.

It is an amenable number.

73224916 is a deficient number, since it is larger than the sum of its proper divisors (68358764).

73224916 is a wasteful number, since it uses less digits than its factorization.

73224916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46863 (or 46861 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 73224916 is about 8557.1558359072. The cubic root of 73224916 is about 418.3627034329.

The spelling of 73224916 in words is "seventy-three million, two hundred twenty-four thousand, nine hundred sixteen".