18027736 has 16 divisors (see below), whose sum is σ = 33882840. Its totient is φ = 8992320.

The previous prime is 18027731. The next prime is 18027761. The reversal of 18027736 is 63772081.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18027731) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1191 + ... + 6121.

Almost surely, 2^18027736 is an apocalyptic number.

It is an amenable number.

18027736 is a deficient number, since it is larger than the sum of its proper divisors (15855104).

18027736 is a wasteful number, since it uses less digits than its factorization.

18027736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5394 (or 5390 counting only the distinct ones).

The product of its (nonzero) digits is 14112, while the sum is 34.

The square root of 18027736 is about 4245.9081478525. The cubic root of 18027736 is about 262.2086793840.

The spelling of 18027736 in words is "eighteen million, twenty-seven thousand, seven hundred thirty-six".