74494328832 has 660 divisors, whose sum is σ = 278618063136. Its totient is φ = 19349176320.

The previous prime is 74494328827. The next prime is 74494328863. The reversal of 74494328832 is 23882349447.

74494328832 is a `hidden beast` number, since 74 + 494 + 3 + 2 + 8 + 83 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 43 ways as a sum of consecutive naturals, for example, 6772211707 + ... + 6772211717.

Almost surely, 2^74494328832 is an apocalyptic number.

74494328832 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74494328832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (139309031568).

74494328832 is an abundant number, since it is smaller than the sum of its proper divisors (204123734304).

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

74494328832 is an frugal number, since it uses more digits than its factorization.

74494328832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76 (or 23 counting only the distinct ones).

The product of its digits is 9289728, while the sum is 54.

The spelling of 74494328832 in words is "seventy-four billion, four hundred ninety-four million, three hundred twenty-eight thousand, eight hundred thirty-two".