73274688 has 84 divisors (see below), whose sum is σ = 219199968. Its totient is φ = 23358720.

The previous prime is 73274671. The next prime is 73274759. The reversal of 73274688 is 88647237.

It is a happy number.

It is a congruent number.

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, 10483 + ... + 16013.

Almost surely, 2^73274688 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 73274688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109599984).

73274688 is an abundant number, since it is smaller than the sum of its proper divisors (145925280).

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

73274688 is a wasteful number, since it uses less digits than its factorization.

73274688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5572 (or 5559 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 73274688 is about 8560.0635511660. The cubic root of 73274688 is about 418.4574709590.

The spelling of 73274688 in words is "seventy-three million, two hundred seventy-four thousand, six hundred eighty-eight".