73328992 has 48 divisors (see below), whose sum is σ = 161363664. Its totient is φ = 32512000.

The previous prime is 73328989. The next prime is 73329001. The reversal of 73328992 is 29982337.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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, 11892 + ... + 16972.

It is an arithmetic number, because the mean of its divisors is an integer number (3361743).

Almost surely, 2^73328992 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 73328992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80681832).

73328992 is an abundant number, since it is smaller than the sum of its proper divisors (88034672).

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

73328992 is a wasteful number, since it uses less digits than its factorization.

73328992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5143 (or 5135 counting only the distinct ones).

The product of its digits is 163296, while the sum is 43.

The square root of 73328992 is about 8563.2349027689. The cubic root of 73328992 is about 418.5608186218.

The spelling of 73328992 in words is "seventy-three million, three hundred twenty-eight thousand, nine hundred ninety-two".