74450199768 has 256 divisors, whose sum is σ = 221184000000. Its totient is φ = 20870688384.

The previous prime is 74450199767. The next prime is 74450199799. The reversal of 74450199768 is 86799105447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74450199763) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 155428153 + ... + 155428631.

It is an arithmetic number, because the mean of its divisors is an integer number (864000000).

Almost surely, 2^74450199768 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 74450199768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110592000000).

74450199768 is an abundant number, since it is smaller than the sum of its proper divisors (146733800232).

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

74450199768 is a wasteful number, since it uses less digits than its factorization.

74450199768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 827 (or 809 counting only the distinct ones).

The product of its (nonzero) digits is 15240960, while the sum is 60.

The spelling of 74450199768 in words is "seventy-four billion, four hundred fifty million, one hundred ninety-nine thousand, seven hundred sixty-eight".