73158996 has 48 divisors (see below), whose sum is σ = 180734400. Its totient is φ = 22993152.

The previous prime is 73158989. The next prime is 73159019. The reversal of 73158996 is 69985137.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12520 + ... + 17408.

It is an arithmetic number, because the mean of its divisors is an integer number (3765300).

Almost surely, 2^73158996 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 73158996, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90367200).

73158996 is an abundant number, since it is smaller than the sum of its proper divisors (107575404).

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

73158996 is a wasteful number, since it uses less digits than its factorization.

73158996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4968 (or 4966 counting only the distinct ones).

The product of its digits is 408240, while the sum is 48.

The square root of 73158996 is about 8553.3032215630. The cubic root of 73158996 is about 418.2371234582.

The spelling of 73158996 in words is "seventy-three million, one hundred fifty-eight thousand, nine hundred ninety-six".