18074044 has 24 divisors (see below), whose sum is σ = 33481728. Its totient is φ = 8519280.

The previous prime is 18074041. The next prime is 18074057. The reversal of 18074044 is 44047081.

It is a congruent number.

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, 5149 + ... + 7915.

It is an arithmetic number, because the mean of its divisors is an integer number (1395072).

Almost surely, 2^18074044 is an apocalyptic number.

It is an amenable number.

18074044 is a deficient number, since it is larger than the sum of its proper divisors (15407684).

18074044 is a wasteful number, since it uses less digits than its factorization.

18074044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2865 (or 2863 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 18074044 is about 4251.3579007183. The cubic root of 18074044 is about 262.4329999829.

The spelling of 18074044 in words is "eighteen million, seventy-four thousand, forty-four".