74634740928 has 448 divisors, whose sum is σ = 257869578240. Its totient is φ = 20931609600.

The previous prime is 74634740911. The next prime is 74634740981. The reversal of 74634740928 is 82904743647.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13549951 + ... + 13555457.

Almost surely, 2^74634740928 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 74634740928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (128934789120).

74634740928 is an abundant number, since it is smaller than the sum of its proper divisors (183234837312).

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

74634740928 is a wasteful number, since it uses less digits than its factorization.

74634740928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5593 (or 5577 counting only the distinct ones).

The product of its (nonzero) digits is 8128512, while the sum is 54.

The spelling of 74634740928 in words is "seventy-four billion, six hundred thirty-four million, seven hundred forty thousand, nine hundred twenty-eight".