18795673 has 6 divisors (see below), whose sum is σ = 20352894. Its totient is φ = 17349696.

The previous prime is 18795661. The next prime is 18795701. The reversal of 18795673 is 37659781.

It can be written as a sum of positive squares in 3 ways, for example, as 451584 + 18344089 = 672^2 + 4283^2 .

It is a de Polignac number, because none of the positive numbers 2^k-18795673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18795613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 55440 + ... + 55777.

It is an arithmetic number, because the mean of its divisors is an integer number (3392149).

Almost surely, 2^18795673 is an apocalyptic number.

18795673 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

18795673 is a deficient number, since it is larger than the sum of its proper divisors (1557221).

18795673 is a wasteful number, since it uses less digits than its factorization.

18795673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111243 (or 111230 counting only the distinct ones).

The product of its digits is 317520, while the sum is 46.

The square root of 18795673 is about 4335.3976749544. The cubic root of 18795673 is about 265.8801776269.

It can be divided in two parts, 18 and 795673, that added together give a triangular number (795691 = T₁₂₆₁).

The spelling of 18795673 in words is "eighteen million, seven hundred ninety-five thousand, six hundred seventy-three".