74981225 has 12 divisors (see below), whose sum is σ = 101429520. Its totient is φ = 54531600.

The previous prime is 74981177. The next prime is 74981279. The reversal of 74981225 is 52218947.

It is not a de Polignac number, because 74981225 - 2⁶ = 74981161 is a prime.

It is a hoax number, since the sum of its digits (38) 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 11 ways as a sum of consecutive naturals, for example, 136055 + ... + 136604.

It is an arithmetic number, because the mean of its divisors is an integer number (8452460).

Almost surely, 2^74981225 is an apocalyptic number.

It is an amenable number.

74981225 is a deficient number, since it is larger than the sum of its proper divisors (26448295).

74981225 is a wasteful number, since it uses less digits than its factorization.

74981225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 272680 (or 272675 counting only the distinct ones).

The product of its digits is 40320, while the sum is 38.

The square root of 74981225 is about 8659.1699948667. The cubic root of 74981225 is about 421.6811398290.

The spelling of 74981225 in words is "seventy-four million, nine hundred eighty-one thousand, two hundred twenty-five".