18675256 has 8 divisors (see below), whose sum is σ = 35016120. Its totient is φ = 9337624.

The previous prime is 18675253. The next prime is 18675281. The reversal of 18675256 is 65257681.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18675253) 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 as a sum of consecutive naturals, namely, 1167196 + ... + 1167211.

It is an arithmetic number, because the mean of its divisors is an integer number (4377015).

Almost surely, 2^18675256 is an apocalyptic number.

It is an amenable number.

18675256 is a deficient number, since it is larger than the sum of its proper divisors (16340864).

18675256 is a wasteful number, since it uses less digits than its factorization.

18675256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2334413 (or 2334409 counting only the distinct ones).

The product of its digits is 100800, while the sum is 40.

The square root of 18675256 is about 4321.4877067973. The cubic root of 18675256 is about 265.3111617263.

Subtracting from 18675256 its sum of digits (40), we obtain a triangular number (18675216 = T₆₁₁₁).

The spelling of 18675256 in words is "eighteen million, six hundred seventy-five thousand, two hundred fifty-six".