74329518648 has 256 divisors, whose sum is σ = 244039680000. Its totient is φ = 18682876800.

The previous prime is 74329518583. The next prime is 74329518701. The reversal of 74329518648 is 84681592347.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2793873 + ... + 2820351.

It is an arithmetic number, because the mean of its divisors is an integer number (953280000).

Almost surely, 2^74329518648 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 74329518648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122019840000).

74329518648 is an abundant number, since it is smaller than the sum of its proper divisors (169710161352).

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

74329518648 is a wasteful number, since it uses less digits than its factorization.

74329518648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26551 (or 26533 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 57.

The spelling of 74329518648 in words is "seventy-four billion, three hundred twenty-nine million, five hundred eighteen thousand, six hundred forty-eight".