74951808 has 64 divisors (see below), whose sum is σ = 209589600. Its totient is φ = 23666688.

The previous prime is 74951783. The next prime is 74951819. The reversal of 74951808 is 80815947.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 74951808.

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, 2160 + ... + 12432.

Almost surely, 2^74951808 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 74951808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104794800).

74951808 is an abundant number, since it is smaller than the sum of its proper divisors (134637792).

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

74951808 is a wasteful number, since it uses less digits than its factorization.

74951808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10309 (or 10297 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 42.

The square root of 74951808 is about 8657.4712243241. The cubic root of 74951808 is about 421.6259872818.

The spelling of 74951808 in words is "seventy-four million, nine hundred fifty-one thousand, eight hundred eight".