682170215 has 12 divisors (see below), whose sum is σ = 831404856. Its totient is φ = 537214128.

The previous prime is 682170211. The next prime is 682170227. The reversal of 682170215 is 512071286.

682170215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 682170215 - 2² = 682170211 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (682170211) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 477332 + ... + 478758.

It is an arithmetic number, because the mean of its divisors is an integer number (69283738).

Almost surely, 2^682170215 is an apocalyptic number.

682170215 is a deficient number, since it is larger than the sum of its proper divisors (149234641).

682170215 is an frugal number, since it uses more digits than its factorization.

682170215 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2926 (or 1499 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 682170215 is about 26118.3884456909. The cubic root of 682170215 is about 880.3004376202.

The spelling of 682170215 in words is "six hundred eighty-two million, one hundred seventy thousand, two hundred fifteen".