18742682 has 16 divisors (see below), whose sum is σ = 32208000. Its totient is φ = 8013168.

The previous prime is 18742681. The next prime is 18742727. The reversal of 18742682 is 28624781.

It is not an unprimeable number, because it can be changed into a prime (18742681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444 + ... + 8192.

It is an arithmetic number, because the mean of its divisors is an integer number (2013000).

Almost surely, 2^18742682 is an apocalyptic number.

18742682 is a deficient number, since it is larger than the sum of its proper divisors (13465318).

18742682 is a wasteful number, since it uses less digits than its factorization.

18742682 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3245.

The product of its digits is 43008, while the sum is 38.

The square root of 18742682 is about 4329.2819266017. The cubic root of 18742682 is about 265.6300754186.

The spelling of 18742682 in words is "eighteen million, seven hundred forty-two thousand, six hundred eighty-two".