18074085 has 32 divisors (see below), whose sum is σ = 30523392. Its totient is φ = 9119040.

The previous prime is 18074083. The next prime is 18074099. The reversal of 18074085 is 58047081.

It is a happy number.

It is not a de Polignac number, because 18074085 - 2¹ = 18074083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18074083) 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 31 ways as a sum of consecutive naturals, for example, 21442 + ... + 22268.

It is an arithmetic number, because the mean of its divisors is an integer number (953856).

Almost surely, 2^18074085 is an apocalyptic number.

18074085 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

18074085 is a deficient number, since it is larger than the sum of its proper divisors (12449307).

18074085 is a wasteful number, since it uses less digits than its factorization.

18074085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 913.

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 18074085 is about 4251.3627227043. The cubic root of 18074085 is about 262.4331984211.

The spelling of 18074085 in words is "eighteen million, seventy-four thousand, eighty-five".