74830136 has 16 divisors (see below), whose sum is σ = 140544600. Its totient is φ = 37351584.

The previous prime is 74830099. The next prime is 74830177. The reversal of 74830136 is 63103847.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2726 + ... + 12533.

Almost surely, 2^74830136 is an apocalyptic number.

It is an amenable number.

74830136 is a deficient number, since it is larger than the sum of its proper divisors (65714464).

74830136 is a wasteful number, since it uses less digits than its factorization.

74830136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15878 (or 15874 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 74830136 is about 8650.4413760224. The cubic root of 74830136 is about 421.3977167764.

The spelling of 74830136 in words is "seventy-four million, eight hundred thirty thousand, one hundred thirty-six".