18730674007 has 4 divisors (see below), whose sum is σ = 18731035960. Its totient is φ = 18730312056.

The previous prime is 18730673977. The next prime is 18730674029. The reversal of 18730674007 is 70047603781.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18730674007 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18730672007) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 87132 + ... + 212257.

It is an arithmetic number, because the mean of its divisors is an integer number (4682758990).

Almost surely, 2^18730674007 is an apocalyptic number.

18730674007 is a deficient number, since it is larger than the sum of its proper divisors (361953).

18730674007 is an equidigital number, since it uses as much as digits as its factorization.

18730674007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361952.

The product of its (nonzero) digits is 197568, while the sum is 43.

The spelling of 18730674007 in words is "eighteen billion, seven hundred thirty million, six hundred seventy-four thousand, seven".