18074089 has 4 divisors (see below), whose sum is σ = 19717200. Its totient is φ = 16430980.

The previous prime is 18074083. The next prime is 18074099. The reversal of 18074089 is 98047081.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 18074089 - 2⁵ = 18074057 is a prime.

It is a Duffinian 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 3 ways as a sum of consecutive naturals, for example, 821539 + ... + 821560.

It is an arithmetic number, because the mean of its divisors is an integer number (4929300).

Almost surely, 2^18074089 is an apocalyptic number.

It is an amenable number.

18074089 is a deficient number, since it is larger than the sum of its proper divisors (1643111).

18074089 is a wasteful number, since it uses less digits than its factorization.

18074089 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1643110.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 18074089 is about 4251.3631931417. The cubic root of 18074089 is about 262.4332177809.

The spelling of 18074089 in words is "eighteen million, seventy-four thousand, eighty-nine".