27726

27726 is a prime number. It is the 2984th prime number. In the sequence of prime numbers, it is preceded by 27719 and followed by 27731. As a prime number, its only positive divisors are 1 and itself. The number 27726 is an even number, meaning it is divisible by 2. Therefore, it is not a prime number. It can be factored as 2 * 13863. The number 13863 is not divisible by 3, as the sum of its digits (1+3+8+6+3 = 21) is divisible by 3. 13863 divided by 3 is 4621. Thus, the prime factorization of 27726 is 2 * 3 * 4621. The number 4621 is a prime number. Therefore, 27726 is not a prime number. It is an even composite number. The digits of 27726 sum to 2+7+7+2+6 = 24. Since 24 is divisible by 3, 27726 is also divisible by 3.