18068842 has 8 divisors (see below), whose sum is σ = 29567232. Its totient is φ = 8213100.

The previous prime is 18068837. The next prime is 18068849. The reversal of 18068842 is 24886081.

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

It is not an unprimeable number, because it can be changed into a prime (18068849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 410634 + ... + 410677.

It is an arithmetic number, because the mean of its divisors is an integer number (3695904).

Almost surely, 2^18068842 is an apocalyptic number.

18068842 is a deficient number, since it is larger than the sum of its proper divisors (11498390).

18068842 is a wasteful number, since it uses less digits than its factorization.

18068842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821324.

The product of its (nonzero) digits is 24576, while the sum is 37.

The square root of 18068842 is about 4250.7460521654. The cubic root of 18068842 is about 262.4078200903.

It can be divided in two parts, 1806 and 8842, that added together give a cube (10648 = 22³).

The spelling of 18068842 in words is "eighteen million, sixty-eight thousand, eight hundred forty-two".