74975228 has 12 divisors (see below), whose sum is σ = 132788040. Its totient is φ = 37035792.

The previous prime is 74975227. The next prime is 74975261. The reversal of 74975228 is 82257947.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74975227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112583 + ... + 113246.

It is an arithmetic number, because the mean of its divisors is an integer number (11065670).

Almost surely, 2^74975228 is an apocalyptic number.

It is an amenable number.

74975228 is a deficient number, since it is larger than the sum of its proper divisors (57812812).

74975228 is a wasteful number, since it uses less digits than its factorization.

74975228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 225916 (or 225914 counting only the distinct ones).

The product of its digits is 282240, while the sum is 44.

The square root of 74975228 is about 8658.8237076407. The cubic root of 74975228 is about 421.6698975070.

The spelling of 74975228 in words is "seventy-four million, nine hundred seventy-five thousand, two hundred twenty-eight".