18014672 has 40 divisors (see below), whose sum is σ = 37846536. Its totient is φ = 8257536.

The previous prime is 18014653. The next prime is 18014687. The reversal of 18014672 is 27641081.

It can be written as a sum of positive squares in 4 ways, for example, as 2835856 + 15178816 = 1684^2 + 3896^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53288 + ... + 53624.

Almost surely, 2^18014672 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18014672, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18923268).

18014672 is an abundant number, since it is smaller than the sum of its proper divisors (19831864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18014672 is a wasteful number, since it uses less digits than its factorization.

18014672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 609 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 18014672 is about 4244.3694466905. The cubic root of 18014672 is about 262.1453265969.

The spelling of 18014672 in words is "eighteen million, fourteen thousand, six hundred seventy-two".