74019984 has 60 divisors (see below), whose sum is σ = 194953296. Its totient is φ = 24200384.

The previous prime is 74019961. The next prime is 74019997. The reversal of 74019984 is 48991047.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166867 + ... + 167309.

Almost surely, 2^74019984 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74019984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (97476648).

74019984 is an abundant number, since it is smaller than the sum of its proper divisors (120933312).

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

74019984 is a wasteful number, since it uses less digits than its factorization.

74019984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572 (or 507 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 42.

The square root of 74019984 is about 8603.4867350395. The cubic root of 74019984 is about 419.8714345720.

The spelling of 74019984 in words is "seventy-four million, nineteen thousand, nine hundred eighty-four".