74408880 has 160 divisors (see below), whose sum is σ = 283981824. Its totient is φ = 15694848.

The previous prime is 74408879. The next prime is 74408909. The reversal of 74408880 is 8880447.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20137 + ... + 23543.

Almost surely, 2^74408880 is an apocalyptic number.

74408880 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74408880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (141990912).

74408880 is an abundant number, since it is smaller than the sum of its proper divisors (209572944).

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

74408880 is a wasteful number, since it uses less digits than its factorization.

74408880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3443 (or 3437 counting only the distinct ones).

The product of its (nonzero) digits is 57344, while the sum is 39.

The square root of 74408880 is about 8626.0581959549. The cubic root of 74408880 is about 420.6054759272.

The spelling of 74408880 in words is "seventy-four million, four hundred eight thousand, eight hundred eighty".