73442992 has 60 divisors (see below), whose sum is σ = 172828720. Its totient is φ = 29611008.

The previous prime is 73442989. The next prime is 73443031. The reversal of 73442992 is 29924437.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31234 + ... + 33502.

Almost surely, 2^73442992 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 73442992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (86414360).

73442992 is an abundant number, since it is smaller than the sum of its proper divisors (99385728).

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

73442992 is a wasteful number, since it uses less digits than its factorization.

73442992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2318 (or 2295 counting only the distinct ones).

The product of its digits is 108864, while the sum is 40.

The square root of 73442992 is about 8569.8886807239. Note that the first 3 decimals coincide. The cubic root of 73442992 is about 418.7776097634. Note that the first 3 decimals are identical.

The spelling of 73442992 in words is "seventy-three million, four hundred forty-two thousand, nine hundred ninety-two".