74742984 has 48 divisors (see below), whose sum is σ = 208965120. Its totient is φ = 24109920.

The previous prime is 74742973. The next prime is 74742991. The reversal of 74742984 is 48924747.

It is an unprimeable number.

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, 14512 + ... + 18975.

It is an arithmetic number, because the mean of its divisors is an integer number (4353440).

Almost surely, 2^74742984 is an apocalyptic number.

It is an amenable number.

74742984 is an abundant number, since it is smaller than the sum of its proper divisors (134222136).

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

74742984 is a wasteful number, since it uses less digits than its factorization.

74742984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33530 (or 33523 counting only the distinct ones).

The product of its digits is 451584, while the sum is 45.

The square root of 74742984 is about 8645.4024776178. The cubic root of 74742984 is about 421.2340575757.

The spelling of 74742984 in words is "seventy-four million, seven hundred forty-two thousand, nine hundred eighty-four".