18427063 has 8 divisors (see below), whose sum is σ = 18811296. Its totient is φ = 18045600.

The previous prime is 18427049. The next prime is 18427103. The reversal of 18427063 is 36072481.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18427063 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18427363) 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, 17358 + ... + 18388.

It is an arithmetic number, because the mean of its divisors is an integer number (2351412).

Almost surely, 2^18427063 is an apocalyptic number.

18427063 is a deficient number, since it is larger than the sum of its proper divisors (384233).

18427063 is a wasteful number, since it uses less digits than its factorization.

18427063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 18427063 is about 4292.6755060219. The cubic root of 18427063 is about 264.1305932934.

The spelling of 18427063 in words is "eighteen million, four hundred twenty-seven thousand, sixty-three".