68682861 has 12 divisors (see below), whose sum is σ = 106840188. Its totient is φ = 42266304.

The previous prime is 68682847. The next prime is 68682871. The reversal of 68682861 is 16828686.

It can be written as a sum of positive squares in 2 ways, for example, as 22184100 + 46498761 = 4710^2 + 6819^2 .

It is not a de Polignac number, because 68682861 - 2⁶ = 68682797 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68682811) 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, 293400 + ... + 293633.

It is an arithmetic number, because the mean of its divisors is an integer number (8903349).

Almost surely, 2^68682861 is an apocalyptic number.

It is an amenable number.

68682861 is a deficient number, since it is larger than the sum of its proper divisors (38157327).

68682861 is a wasteful number, since it uses less digits than its factorization.

68682861 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 587052 (or 587049 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 68682861 is about 8287.5123529320. The cubic root of 68682861 is about 409.5272381440.

The spelling of 68682861 in words is "sixty-eight million, six hundred eighty-two thousand, eight hundred sixty-one".