18063674 has 4 divisors (see below), whose sum is σ = 27095514. Its totient is φ = 9031836.

The previous prime is 18063653. The next prime is 18063691. The reversal of 18063674 is 47636081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 16752649 + 1311025 = 4093^2 + 1145^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4515917 + ... + 4515920.

Almost surely, 2^18063674 is an apocalyptic number.

18063674 is a deficient number, since it is larger than the sum of its proper divisors (9031840).

18063674 is an equidigital number, since it uses as much as digits as its factorization.

18063674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9031839.

The product of its (nonzero) digits is 24192, while the sum is 35.

The square root of 18063674 is about 4250.1381154028. The cubic root of 18063674 is about 262.3827999861.

The spelling of 18063674 in words is "eighteen million, sixty-three thousand, six hundred seventy-four".