74513982 has 16 divisors (see below), whose sum is σ = 149276160. Its totient is φ = 24796632.

The previous prime is 74513939. The next prime is 74513993. The reversal of 74513982 is 28931547.

It is a self number, because there is not a number n which added to its sum of digits gives 74513982.

It is a congruent number.

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, 6318 + ... + 13745.

It is an arithmetic number, because the mean of its divisors is an integer number (9329760).

Almost surely, 2^74513982 is an apocalyptic number.

74513982 is an abundant number, since it is smaller than the sum of its proper divisors (74762178).

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

74513982 is a wasteful number, since it uses less digits than its factorization.

74513982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20687.

The product of its digits is 60480, while the sum is 39.

The square root of 74513982 is about 8632.1481683298. The cubic root of 74513982 is about 420.8034168148.

The spelling of 74513982 in words is "seventy-four million, five hundred thirteen thousand, nine hundred eighty-two".