18741192704 has 72 divisors (see below), whose sum is σ = 40403948130. Its totient is φ = 8639471616.

The previous prime is 18741192703. The next prime is 18741192721. The reversal of 18741192704 is 40729114781.

It can be written as a sum of positive squares in only one way, i.e., 18020377600 + 720815104 = 134240^2 + 26848^2 .

It is not an unprimeable number, because it can be changed into a prime (18741192703) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22337117 + ... + 22337955.

Almost surely, 2^18741192704 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 18741192704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20201974065).

18741192704 is an abundant number, since it is smaller than the sum of its proper divisors (21662755426).

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

18741192704 is an frugal number, since it uses more digits than its factorization.

18741192704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1713 (or 854 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The spelling of 18741192704 in words is "eighteen billion, seven hundred forty-one million, one hundred ninety-two thousand, seven hundred four".