18674720700 has 72 divisors (see below), whose sum is σ = 54537259392. Its totient is φ = 4933375680.

The previous prime is 18674720699. The next prime is 18674720749. The reversal of 18674720700 is 702747681.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 258784 + ... + 322983.

It is an arithmetic number, because the mean of its divisors is an integer number (757461936).

Almost surely, 2^18674720700 is an apocalyptic number.

18674720700 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

18674720700 is an abundant number, since it is smaller than the sum of its proper divisors (35862538692).

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

18674720700 is a wasteful number, since it uses less digits than its factorization.

18674720700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581891 (or 581884 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 42.

The spelling of 18674720700 in words is "eighteen billion, six hundred seventy-four million, seven hundred twenty thousand, seven hundred".