74138900 has 36 divisors (see below), whose sum is σ = 175509600. Its totient is φ = 26959200.

The previous prime is 74138879. The next prime is 74138927. The reversal of 74138900 is 983147.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32600 + ... + 34799.

Almost surely, 2^74138900 is an apocalyptic number.

It is an amenable number.

74138900 is an abundant number, since it is smaller than the sum of its proper divisors (101370700).

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

74138900 is a wasteful number, since it uses less digits than its factorization.

74138900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67424 (or 67417 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 74138900 is about 8610.3948806080. The cubic root of 74138900 is about 420.0961608995.

The spelling of 74138900 in words is "seventy-four million, one hundred thirty-eight thousand, nine hundred".