74140454800 has 120 divisors (see below), whose sum is σ = 187624102400. Its totient is φ = 28076336640.

The previous prime is 74140454797. The next prime is 74140454821. The reversal of 74140454800 is 845404147.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 74140454800.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17014222 + ... + 17018578.

Almost surely, 2^74140454800 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 74140454800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93812051200).

74140454800 is an abundant number, since it is smaller than the sum of its proper divisors (113483647600).

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

74140454800 is a wasteful number, since it uses less digits than its factorization.

74140454800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6633 (or 6622 counting only the distinct ones).

The product of its (nonzero) digits is 71680, while the sum is 37.

Adding to 74140454800 its reverse (845404147), we get a palindrome (74985858947).

The spelling of 74140454800 in words is "seventy-four billion, one hundred forty million, four hundred fifty-four thousand, eight hundred".