18345027 has 8 divisors (see below), whose sum is σ = 24684880. Its totient is φ = 12117600.

The previous prime is 18345017. The next prime is 18345031. The reversal of 18345027 is 72054381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18345027 - 2⁴ = 18345011 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18344985 and 18345003.

It is not an unprimeable number, because it can be changed into a prime (18345017) 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, 27724 + ... + 28377.

It is an arithmetic number, because the mean of its divisors is an integer number (3085610).

Almost surely, 2^18345027 is an apocalyptic number.

18345027 is a deficient number, since it is larger than the sum of its proper divisors (6339853).

18345027 is a wasteful number, since it uses less digits than its factorization.

18345027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56213.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 18345027 is about 4283.1095012853. The cubic root of 18345027 is about 263.7380465222.

The spelling of 18345027 in words is "eighteen million, three hundred forty-five thousand, twenty-seven".