74231808 has 104 divisors (see below), whose sum is σ = 226464768. Its totient is φ = 21184512.

The previous prime is 74231761. The next prime is 74231819. The reversal of 74231808 is 80813247.

It is a super-2 number, since 2×74231808² = 11020722637897728, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 85585 + ... + 86447.

Almost surely, 2^74231808 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 74231808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (113232384).

74231808 is an abundant number, since it is smaller than the sum of its proper divisors (152232960).

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

74231808 is an equidigital number, since it uses as much as digits as its factorization.

74231808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 897 (or 875 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 74231808 is about 8615.7882982348. The cubic root of 74231808 is about 420.2715703975.

The spelling of 74231808 in words is "seventy-four million, two hundred thirty-one thousand, eight hundred eight".