18275705 has 16 divisors (see below), whose sum is σ = 25349760. Its totient is φ = 12388992.

The previous prime is 18275671. The next prime is 18275717. The reversal of 18275705 is 50757281.

It is not a de Polignac number, because 18275705 - 2⁶ = 18275641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182 + ... + 6048.

It is an arithmetic number, because the mean of its divisors is an integer number (1584360).

Almost surely, 2^18275705 is an apocalyptic number.

It is an amenable number.

18275705 is a deficient number, since it is larger than the sum of its proper divisors (7074055).

18275705 is an equidigital number, since it uses as much as digits as its factorization.

18275705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5968.

The product of its (nonzero) digits is 19600, while the sum is 35.

The square root of 18275705 is about 4275.0093567149. The cubic root of 18275705 is about 263.4054236567.

The spelling of 18275705 in words is "eighteen million, two hundred seventy-five thousand, seven hundred five".