74843982 has 24 divisors (see below), whose sum is σ = 167394240. Its totient is φ = 24143040.

The previous prime is 74843981. The next prime is 74843999. The reversal of 74843982 is 28934847.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74843981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 66507 + ... + 67622.

It is an arithmetic number, because the mean of its divisors is an integer number (6974760).

Almost surely, 2^74843982 is an apocalyptic number.

74843982 is an abundant number, since it is smaller than the sum of its proper divisors (92550258).

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

74843982 is a wasteful number, since it uses less digits than its factorization.

74843982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134168 (or 134165 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 74843982 is about 8651.2416449895. The cubic root of 74843982 is about 421.4237059178.

The spelling of 74843982 in words is "seventy-four million, eight hundred forty-three thousand, nine hundred eighty-two".