18067942 has 8 divisors (see below), whose sum is σ = 27121176. Its totient is φ = 9027552.

The previous prime is 18067937. The next prime is 18067961. The reversal of 18067942 is 24976081.

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

It is a congruent number.

It is an unprimeable number.

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, 1998 + ... + 6334.

It is an arithmetic number, because the mean of its divisors is an integer number (3390147).

Almost surely, 2^18067942 is an apocalyptic number.

18067942 is a deficient number, since it is larger than the sum of its proper divisors (9053234).

18067942 is a wasteful number, since it uses less digits than its factorization.

18067942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6422.

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 18067942 is about 4250.6401870777. The cubic root of 18067942 is about 262.4034632171.

The spelling of 18067942 in words is "eighteen million, sixty-seven thousand, nine hundred forty-two".