74130636 has 24 divisors (see below), whose sum is σ = 173695984. Its totient is φ = 24606720.

The previous prime is 74130613. The next prime is 74130649. The reversal of 74130636 is 63603147.

74130636 is nontrivially palindromic in base 15.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9925 + ... + 15708.

Almost surely, 2^74130636 is an apocalyptic number.

It is an amenable number.

74130636 is an abundant number, since it is smaller than the sum of its proper divisors (99565348).

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

74130636 is a wasteful number, since it uses less digits than its factorization.

74130636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25881 (or 25879 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 30.

The square root of 74130636 is about 8609.9149821587. The cubic root of 74130636 is about 420.0805514435.

The spelling of 74130636 in words is "seventy-four million, one hundred thirty thousand, six hundred thirty-six".