74963136 has 28 divisors (see below), whose sum is σ = 198340472. Its totient is φ = 24987648.

The previous prime is 74963123. The next prime is 74963137. The reversal of 74963136 is 63136947.

It is a junction number, because it is equal to n+sod(n) for n = 74963094 and 74963103.

It is not an unprimeable number, because it can be changed into a prime (74963137) by changing a digit.

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, 195025 + ... + 195408.

Almost surely, 2^74963136 is an apocalyptic number.

It is an amenable number.

74963136 is an abundant number, since it is smaller than the sum of its proper divisors (123377336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

74963136 is a wasteful number, since it uses less digits than its factorization.

74963136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390448 (or 390438 counting only the distinct ones).

The product of its digits is 81648, while the sum is 39.

The square root of 74963136 is about 8658.1254322168. The cubic root of 74963136 is about 421.6472273235.

The spelling of 74963136 in words is "seventy-four million, nine hundred sixty-three thousand, one hundred thirty-six".