74273663800 has 192 divisors, whose sum is σ = 208281312000. Its totient is φ = 24062469120.

The previous prime is 74273663797. The next prime is 74273663843. The reversal of 74273663800 is 836637247.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10875987 + ... + 10882813.

It is an arithmetic number, because the mean of its divisors is an integer number (1084798500).

Almost surely, 2^74273663800 is an apocalyptic number.

74273663800 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74273663800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (104140656000).

74273663800 is an abundant number, since it is smaller than the sum of its proper divisors (134007648200).

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

74273663800 is a wasteful number, since it uses less digits than its factorization.

74273663800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7278 (or 7269 counting only the distinct ones).

The product of its (nonzero) digits is 1016064, while the sum is 46.

The spelling of 74273663800 in words is "seventy-four billion, two hundred seventy-three million, six hundred sixty-three thousand, eight hundred".