74365744992 has 192 divisors, whose sum is σ = 247972161024. Its totient is φ = 18951229440.

The previous prime is 74365744919. The next prime is 74365744993. The reversal of 74365744992 is 29944756347.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74365744993) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 296868 + ... + 486684.

It is an arithmetic number, because the mean of its divisors is an integer number (1291521672).

Almost surely, 2^74365744992 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 74365744992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123986080512).

74365744992 is an abundant number, since it is smaller than the sum of its proper divisors (173606416032).

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

74365744992 is a wasteful number, since it uses less digits than its factorization.

74365744992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 189901 (or 189893 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 60.

The spelling of 74365744992 in words is "seventy-four billion, three hundred sixty-five million, seven hundred forty-four thousand, nine hundred ninety-two".