74894552800 has 144 divisors (see below), whose sum is σ = 186426349200. Its totient is φ = 29372313600.

The previous prime is 74894552771. The next prime is 74894552857. The reversal of 74894552800 is 825549847.

It is a super-2 number, since 2×74894552800² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19869316 + ... + 19873084.

It is an arithmetic number, because the mean of its divisors is an integer number (1294627425).

Almost surely, 2^74894552800 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 74894552800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93213174600).

74894552800 is an abundant number, since it is smaller than the sum of its proper divisors (111531796400).

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

74894552800 is a wasteful number, since it uses less digits than its factorization.

74894552800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4269 (or 4256 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 52.

The spelling of 74894552800 in words is "seventy-four billion, eight hundred ninety-four million, five hundred fifty-two thousand, eight hundred".