18030676 has 12 divisors (see below), whose sum is σ = 33409908. Its totient is φ = 8484992.

The previous prime is 18030641. The next prime is 18030697. The reversal of 18030676 is 67603081.

It can be written as a sum of positive squares in 2 ways, for example, as 16402500 + 1628176 = 4050^2 + 1276^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 132511 + ... + 132646.

It is an arithmetic number, because the mean of its divisors is an integer number (2784159).

Almost surely, 2^18030676 is an apocalyptic number.

It is an amenable number.

18030676 is a deficient number, since it is larger than the sum of its proper divisors (15379232).

18030676 is a wasteful number, since it uses less digits than its factorization.

18030676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 265178 (or 265176 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 18030676 is about 4246.2543494237. The cubic root of 18030676 is about 262.2229324515. Note that the first 3 decimals are identical.

The spelling of 18030676 in words is "eighteen million, thirty thousand, six hundred seventy-six".