18074042 has 16 divisors (see below), whose sum is σ = 31617600. Its totient is φ = 7745724.

The previous prime is 18074041. The next prime is 18074057. The reversal of 18074042 is 24047081.

It is not an unprimeable number, because it can be changed into a prime (18074041) 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 7 ways as a sum of consecutive naturals, for example, 12488 + ... + 13859.

It is an arithmetic number, because the mean of its divisors is an integer number (1976100).

Almost surely, 2^18074042 is an apocalyptic number.

18074042 is a deficient number, since it is larger than the sum of its proper divisors (13543558).

18074042 is an equidigital number, since it uses as much as digits as its factorization.

18074042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26370 (or 26356 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 26.

The square root of 18074042 is about 4251.3576654993. The cubic root of 18074042 is about 262.4329903030.

The spelling of 18074042 in words is "eighteen million, seventy-four thousand, forty-two".