74135388 has 24 divisors (see below), whose sum is σ = 175916160. Its totient is φ = 24292720.

The previous prime is 74135381. The next prime is 74135401. The reversal of 74135388 is 88353147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74135381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51648 + ... + 53063.

It is an arithmetic number, because the mean of its divisors is an integer number (7329840).

Almost surely, 2^74135388 is an apocalyptic number.

It is an amenable number.

74135388 is an abundant number, since it is smaller than the sum of its proper divisors (101780772).

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

74135388 is a wasteful number, since it uses less digits than its factorization.

74135388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 104777 (or 104775 counting only the distinct ones).

The product of its digits is 80640, while the sum is 39.

The square root of 74135388 is about 8610.1909386494. The cubic root of 74135388 is about 420.0895274002.

The spelling of 74135388 in words is "seventy-four million, one hundred thirty-five thousand, three hundred eighty-eight".