73642912 has 96 divisors (see below), whose sum is σ = 178319232. Its totient is φ = 29220864.

The previous prime is 73642903. The next prime is 73642951. The reversal of 73642912 is 21924637.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 315948 + ... + 316180.

It is an arithmetic number, because the mean of its divisors is an integer number (1857492).

Almost surely, 2^73642912 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 73642912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (89159616).

73642912 is an abundant number, since it is smaller than the sum of its proper divisors (104676320).

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

73642912 is a wasteful number, since it uses less digits than its factorization.

73642912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350 (or 342 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 73642912 is about 8581.5448492681. The cubic root of 73642912 is about 419.1572519197.

The spelling of 73642912 in words is "seventy-three million, six hundred forty-two thousand, nine hundred twelve".