18676676 has 24 divisors (see below), whose sum is σ = 34740216. Its totient is φ = 8755200.

The previous prime is 18676673. The next prime is 18676687. The reversal of 18676676 is 67667681.

It can be written as a sum of positive squares in 4 ways, for example, as 12040900 + 6635776 = 3470^2 + 2576^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18676676.

It is not an unprimeable number, because it can be changed into a prime (18676673) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30776 + ... + 31376.

It is an arithmetic number, because the mean of its divisors is an integer number (1447509).

Almost surely, 2^18676676 is an apocalyptic number.

It is an amenable number.

18676676 is a deficient number, since it is larger than the sum of its proper divisors (16063540).

18676676 is a wasteful number, since it uses less digits than its factorization.

18676676 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1079 (or 1077 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 18676676 is about 4321.6519989467. The cubic root of 18676676 is about 265.3178859947.

The spelling of 18676676 in words is "eighteen million, six hundred seventy-six thousand, six hundred seventy-six".