18037027 has 4 divisors (see below), whose sum is σ = 18045976. Its totient is φ = 18028080.

The previous prime is 18037021. The next prime is 18037069. The reversal of 18037027 is 72073081.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 72073081 = 17 ⋅4239593.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18037027 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18036986 and 18037004.

It is not an unprimeable number, because it can be changed into a prime (18037021) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 127 + ... + 6007.

It is an arithmetic number, because the mean of its divisors is an integer number (4511494).

Almost surely, 2^18037027 is an apocalyptic number.

18037027 is a deficient number, since it is larger than the sum of its proper divisors (8949).

18037027 is an equidigital number, since it uses as much as digits as its factorization.

18037027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948.

The product of its (nonzero) digits is 2352, while the sum is 28.

The square root of 18037027 is about 4247.0021191424. The cubic root of 18037027 is about 262.2537166985.

The spelling of 18037027 in words is "eighteen million, thirty-seven thousand, twenty-seven".