74986225 has 12 divisors (see below), whose sum is σ = 93113584. Its totient is φ = 59904720.

The previous prime is 74986211. The next prime is 74986231. The reversal of 74986225 is 52268947.

It is not a de Polignac number, because 74986225 - 2⁵ = 74986193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21022 + ... + 24328.

Almost surely, 2^74986225 is an apocalyptic number.

It is an amenable number.

74986225 is a deficient number, since it is larger than the sum of its proper divisors (18127359).

74986225 is a wasteful number, since it uses less digits than its factorization.

74986225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4224 (or 4219 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 74986225 is about 8659.4587013277. The cubic root of 74986225 is about 421.6905126590.

The spelling of 74986225 in words is "seventy-four million, nine hundred eighty-six thousand, two hundred twenty-five".