74134818 has 16 divisors (see below), whose sum is σ = 164744160. Its totient is φ = 24711588.

The previous prime is 74134813. The next prime is 74134829. The reversal of 74134818 is 81843147.

It is not an unprimeable number, because it can be changed into a prime (74134813) 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, 686380 + ... + 686487.

It is an arithmetic number, because the mean of its divisors is an integer number (10296510).

Almost surely, 2^74134818 is an apocalyptic number.

74134818 is an abundant number, since it is smaller than the sum of its proper divisors (90609342).

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

74134818 is a wasteful number, since it uses less digits than its factorization.

74134818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1372878 (or 1372872 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 74134818 is about 8610.1578382745. The cubic root of 74134818 is about 420.0884507590.

The spelling of 74134818 in words is "seventy-four million, one hundred thirty-four thousand, eight hundred eighteen".