74578896 has 120 divisors (see below), whose sum is σ = 240304064. Its totient is φ = 21150720.

The previous prime is 74578871. The next prime is 74578919. The reversal of 74578896 is 69887547.

Its product of digits (3386880) is a multiple of the sum of its prime divisors (560).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 242775 + ... + 243081.

Almost surely, 2^74578896 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 74578896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120152032).

74578896 is an abundant number, since it is smaller than the sum of its proper divisors (165725168).

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

74578896 is a wasteful number, since it uses less digits than its factorization.

74578896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 569 (or 560 counting only the distinct ones).

The product of its digits is 3386880, while the sum is 54.

The square root of 74578896 is about 8635.9073640238. The cubic root of 74578896 is about 420.9255778010.

The spelling of 74578896 in words is "seventy-four million, five hundred seventy-eight thousand, eight hundred ninety-six".