74463984 has 120 divisors (see below), whose sum is σ = 245952512. Its totient is φ = 20580480.

The previous prime is 74463973. The next prime is 74463997. The reversal of 74463984 is 48936447.

74463984 is a `hidden beast` number, since 7 + 4 + 4 + 639 + 8 + 4 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 6.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30057 + ... + 32439.

Almost surely, 2^74463984 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 74463984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122976256).

74463984 is an abundant number, since it is smaller than the sum of its proper divisors (171488528).

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

74463984 is a wasteful number, since it uses less digits than its factorization.

74463984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2435 (or 2426 counting only the distinct ones).

The product of its digits is 580608, while the sum is 45.

The square root of 74463984 is about 8629.2516477386. The cubic root of 74463984 is about 420.7092777189.

The spelling of 74463984 in words is "seventy-four million, four hundred sixty-three thousand, nine hundred eighty-four".