74455556 has 12 divisors (see below), whose sum is σ = 148911168. Its totient is φ = 31909512.

The previous prime is 74455519. The next prime is 74455561. The reversal of 74455556 is 65555447.

74455556 is an admirable number.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1329536 + ... + 1329591.

It is an arithmetic number, because the mean of its divisors is an integer number (12409264).

Almost surely, 2^74455556 is an apocalyptic number.

It is an amenable number.

74455556 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

74455556 is a wasteful number, since it uses less digits than its factorization.

74455556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659138 (or 2659136 counting only the distinct ones).

The product of its digits is 420000, while the sum is 41.

The square root of 74455556 is about 8628.7632949340. The cubic root of 74455556 is about 420.6934048482.

The spelling of 74455556 in words is "seventy-four million, four hundred fifty-five thousand, five hundred fifty-six".