18673796 has 12 divisors (see below), whose sum is σ = 33806220. Its totient is φ = 9014880.

The previous prime is 18673777. The next prime is 18673807. The reversal of 18673796 is 69737681.

It can be written as a sum of positive squares in 2 ways, for example, as 12602500 + 6071296 = 3550^2 + 2464^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18673796.

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, 80375 + ... + 80606.

It is an arithmetic number, because the mean of its divisors is an integer number (2817185).

Almost surely, 2^18673796 is an apocalyptic number.

It is an amenable number.

18673796 is a deficient number, since it is larger than the sum of its proper divisors (15132424).

18673796 is a wasteful number, since it uses less digits than its factorization.

18673796 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161014 (or 161012 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 18673796 is about 4321.3187801874. The cubic root of 18673796 is about 265.3042476865.

The spelling of 18673796 in words is "eighteen million, six hundred seventy-three thousand, seven hundred ninety-six".