74192243264 has 56 divisors (see below), whose sum is σ = 152368544640. Its totient is φ = 35801289216.

The previous prime is 74192243243. The next prime is 74192243311. The reversal of 74192243264 is 46234229147.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5016809 + ... + 5031575.

Almost surely, 2^74192243264 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 74192243264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76184272320).

74192243264 is an abundant number, since it is smaller than the sum of its proper divisors (78176301376).

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

74192243264 is a wasteful number, since it uses less digits than its factorization.

74192243264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17515 (or 17505 counting only the distinct ones).

The product of its digits is 580608, while the sum is 44.

The spelling of 74192243264 in words is "seventy-four billion, one hundred ninety-two million, two hundred forty-three thousand, two hundred sixty-four".