74145124 has 12 divisors (see below), whose sum is σ = 129814384. Its totient is φ = 37055304.

The previous prime is 74145119. The next prime is 74145157. The reversal of 74145124 is 42154147.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 74145092 and 74145101.

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, 13807 + ... + 18409.

Almost surely, 2^74145124 is an apocalyptic number.

74145124 is the 4603-rd nonagonal number.

It is an amenable number.

74145124 is a deficient number, since it is larger than the sum of its proper divisors (55669260).

74145124 is a wasteful number, since it uses less digits than its factorization.

74145124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8634 (or 8632 counting only the distinct ones).

The product of its digits is 4480, while the sum is 28.

The square root of 74145124 is about 8610.7562966327. The cubic root of 74145124 is about 420.1079163357.

The spelling of 74145124 in words is "seventy-four million, one hundred forty-five thousand, one hundred twenty-four".