73115224 has 64 divisors (see below), whose sum is σ = 171360000. Its totient is φ = 28473984.

The previous prime is 73115209. The next prime is 73115227. The reversal of 73115224 is 42251137.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (73115227) 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 15 ways as a sum of consecutive naturals, for example, 48027 + ... + 49525.

It is an arithmetic number, because the mean of its divisors is an integer number (2677500).

Almost surely, 2^73115224 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 73115224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (85680000).

73115224 is an abundant number, since it is smaller than the sum of its proper divisors (98244776).

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

73115224 is a wasteful number, since it uses less digits than its factorization.

73115224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1592 (or 1588 counting only the distinct ones).

The product of its digits is 1680, while the sum is 25.

The square root of 73115224 is about 8550.7440611914. The cubic root of 73115224 is about 418.1536945399.

The spelling of 73115224 in words is "seventy-three million, one hundred fifteen thousand, two hundred twenty-four".