74539885056 has 960 divisors, whose sum is σ = 268025345280. Its totient is φ = 18207866880.

The previous prime is 74539885037. The next prime is 74539885099. The reversal of 74539885056 is 65058893547.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1049857501 + ... + 1049857571.

It is an arithmetic number, because the mean of its divisors is an integer number (279193068).

Almost surely, 2^74539885056 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 74539885056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (134012672640).

74539885056 is an abundant number, since it is smaller than the sum of its proper divisors (193485460224).

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

74539885056 is a wasteful number, since it uses less digits than its factorization.

74539885056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185 (or 162 counting only the distinct ones).

The product of its (nonzero) digits is 36288000, while the sum is 60.

The spelling of 74539885056 in words is "seventy-four billion, five hundred thirty-nine million, eight hundred eighty-five thousand, fifty-six".