74198287600 has 120 divisors (see below), whose sum is σ = 180369705600. Its totient is φ = 29329244160.

The previous prime is 74198287561. The next prime is 74198287607. The reversal of 74198287600 is 678289147.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (74198287607) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 40700289 + ... + 40702111.

It is an arithmetic number, because the mean of its divisors is an integer number (1503080880).

Almost surely, 2^74198287600 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 74198287600, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90184852800).

74198287600 is an abundant number, since it is smaller than the sum of its proper divisors (106171418000).

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

74198287600 is a wasteful number, since it uses less digits than its factorization.

74198287600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2987 (or 2976 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 52.

The spelling of 74198287600 in words is "seventy-four billion, one hundred ninety-eight million, two hundred eighty-seven thousand, six hundred".