18530672 has 20 divisors (see below), whose sum is σ = 36261816. Its totient is φ = 9172800.

The previous prime is 18530671. The next prime is 18530693. The reversal of 18530672 is 27603581.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18530671) 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, 4118 + ... + 7349.

Almost surely, 2^18530672 is an apocalyptic number.

It is an amenable number.

18530672 is a deficient number, since it is larger than the sum of its proper divisors (17731144).

18530672 is a wasteful number, since it uses less digits than its factorization.

18530672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11576 (or 11570 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 32.

The square root of 18530672 is about 4304.7267044494. The cubic root of 18530672 is about 264.6247066858.

The spelling of 18530672 in words is "eighteen million, five hundred thirty thousand, six hundred seventy-two".