74933954688 has 256 divisors, whose sum is σ = 219536640000. Its totient is φ = 22553137152.

The previous prime is 74933954663. The next prime is 74933954749. The reversal of 74933954688 is 88645933947.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16712895 + ... + 16717377.

It is an arithmetic number, because the mean of its divisors is an integer number (857565000).

Almost surely, 2^74933954688 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 74933954688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109768320000).

74933954688 is an abundant number, since it is smaller than the sum of its proper divisors (144602685312).

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

74933954688 is a wasteful number, since it uses less digits than its factorization.

74933954688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4627 (or 4615 counting only the distinct ones).

The product of its digits is 156764160, while the sum is 66.

The spelling of 74933954688 in words is "seventy-four billion, nine hundred thirty-three million, nine hundred fifty-four thousand, six hundred eighty-eight".