74945228 has 12 divisors (see below), whose sum is σ = 135385152. Its totient is φ = 36263760.

The previous prime is 74945219. The next prime is 74945243. The reversal of 74945228 is 82254947.

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, 302075 + ... + 302322.

It is an arithmetic number, because the mean of its divisors is an integer number (11282096).

Almost surely, 2^74945228 is an apocalyptic number.

It is an amenable number.

74945228 is a deficient number, since it is larger than the sum of its proper divisors (60439924).

74945228 is a wasteful number, since it uses less digits than its factorization.

74945228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604432 (or 604430 counting only the distinct ones).

The product of its digits is 161280, while the sum is 41.

The square root of 74945228 is about 8657.0911973942. The cubic root of 74945228 is about 421.6136487749.

The spelling of 74945228 in words is "seventy-four million, nine hundred forty-five thousand, two hundred twenty-eight".