682068321 has 48 divisors (see below), whose sum is σ = 1095120000. Its totient is φ = 405630720.

The previous prime is 682068311. The next prime is 682068367. The reversal of 682068321 is 123860286.

It is not a de Polignac number, because 682068321 - 2¹⁰ = 682067297 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (682068301) 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 47 ways as a sum of consecutive naturals, for example, 1753195 + ... + 1753583.

It is an arithmetic number, because the mean of its divisors is an integer number (22815000).

Almost surely, 2^682068321 is an apocalyptic number.

It is an amenable number.

682068321 is a deficient number, since it is larger than the sum of its proper divisors (413051679).

682068321 is a wasteful number, since it uses less digits than its factorization.

682068321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694 (or 691 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 36.

The square root of 682068321 is about 26116.4377547934. The cubic root of 682068321 is about 880.2566060382.

The spelling of 682068321 in words is "six hundred eighty-two million, sixty-eight thousand, three hundred twenty-one".