18742713 has 8 divisors (see below), whose sum is σ = 27262176. Its totient is φ = 11359200.

The previous prime is 18742681. The next prime is 18742727. The reversal of 18742713 is 31724781.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18742713 - 2⁵ = 18742681 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 567961 = 18742713 / (1 + 8 + 7 + 4 + 2 + 7 + 1 + 3).

It is not an unprimeable number, because it can be changed into a prime (18740713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 283948 + ... + 284013.

It is an arithmetic number, because the mean of its divisors is an integer number (3407772).

Almost surely, 2^18742713 is an apocalyptic number.

It is an amenable number.

18742713 is a deficient number, since it is larger than the sum of its proper divisors (8519463).

18742713 is a wasteful number, since it uses less digits than its factorization.

18742713 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 567975.

The product of its digits is 9408, while the sum is 33.

The square root of 18742713 is about 4329.2855068706. The cubic root of 18742713 is about 265.6302218674.

The spelling of 18742713 in words is "eighteen million, seven hundred forty-two thousand, seven hundred thirteen".