74432384 has 64 divisors (see below), whose sum is σ = 163734480. Its totient is φ = 33484800.

The previous prime is 74432381. The next prime is 74432389. The reversal of 74432384 is 48323447.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74432381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67679 + ... + 68769.

Almost surely, 2^74432384 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 74432384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (81867240).

74432384 is an abundant number, since it is smaller than the sum of its proper divisors (89302096).

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

74432384 is a wasteful number, since it uses less digits than its factorization.

74432384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1159 (or 1147 counting only the distinct ones).

The product of its digits is 64512, while the sum is 35.

The square root of 74432384 is about 8627.4204719603. The cubic root of 74432384 is about 420.6497576956.

The spelling of 74432384 in words is "seventy-four million, four hundred thirty-two thousand, three hundred eighty-four".