74136084 has 48 divisors (see below), whose sum is σ = 196922880. Its totient is φ = 21487840.

The previous prime is 74136071. The next prime is 74136089. The reversal of 74136084 is 48063147.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74136089) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9174 + ... + 15245.

It is an arithmetic number, because the mean of its divisors is an integer number (4102560).

Almost surely, 2^74136084 is an apocalyptic number.

It is an amenable number.

74136084 is an abundant number, since it is smaller than the sum of its proper divisors (122786796).

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

74136084 is a wasteful number, since it uses less digits than its factorization.

74136084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24460 (or 24458 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 74136084 is about 8610.2313557767. The cubic root of 74136084 is about 420.0908420283.

The spelling of 74136084 in words is "seventy-four million, one hundred thirty-six thousand, eighty-four".