74945028 has 24 divisors (see below), whose sum is σ = 176152032. Its totient is φ = 24798784.

The previous prime is 74944997. The next prime is 74945051. The reversal of 74945028 is 82054947.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21150 + ... + 24437.

It is an arithmetic number, because the mean of its divisors is an integer number (7339668).

Almost surely, 2^74945028 is an apocalyptic number.

It is an amenable number.

74945028 is an abundant number, since it is smaller than the sum of its proper divisors (101207004).

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

74945028 is a wasteful number, since it uses less digits than its factorization.

74945028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45731 (or 45729 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The square root of 74945028 is about 8657.0796461624. The cubic root of 74945028 is about 421.6132737330.

The spelling of 74945028 in words is "seventy-four million, nine hundred forty-five thousand, twenty-eight".