18074004 has 24 divisors (see below), whose sum is σ = 45417120. Its totient is φ = 5561184.

The previous prime is 18073981. The next prime is 18074027. The reversal of 18074004 is 40047081.

It is an interprime number because it is at equal distance from previous prime (18073981) and next prime (18074027).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57774 + ... + 58085.

It is an arithmetic number, because the mean of its divisors is an integer number (1892380).

Almost surely, 2^18074004 is an apocalyptic number.

It is an amenable number.

18074004 is an abundant number, since it is smaller than the sum of its proper divisors (27343116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18074004 is a wasteful number, since it uses less digits than its factorization.

18074004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115879 (or 115877 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 24.

The square root of 18074004 is about 4251.3531963364. The cubic root of 18074004 is about 262.4328063843.

The spelling of 18074004 in words is "eighteen million, seventy-four thousand, four".