73324813772 has 48 divisors (see below), whose sum is σ = 150328174080. Its totient is φ = 30637699200.

The previous prime is 73324813769. The next prime is 73324813777. The reversal of 73324813772 is 27731842337.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (73324813777) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1736729 + ... + 1778447.

It is an arithmetic number, because the mean of its divisors is an integer number (3131836960).

Almost surely, 2^73324813772 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 73324813772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (75164087040).

73324813772 is an abundant number, since it is smaller than the sum of its proper divisors (77003360308).

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

73324813772 is a wasteful number, since it uses less digits than its factorization.

73324813772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43302 (or 43300 counting only the distinct ones).

The product of its digits is 1185408, while the sum is 47.

The spelling of 73324813772 in words is "seventy-three billion, three hundred twenty-four million, eight hundred thirteen thousand, seven hundred seventy-two".