68679307 has 2 divisors, whose sum is σ = 68679308. Its totient is φ = 68679306.

The previous prime is 68679301. The next prime is 68679323. The reversal of 68679307 is 70397686.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68679307 is a prime.

It is not a weakly prime, because it can be changed into another prime (68679301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34339653 + 34339654.

It is an arithmetic number, because the mean of its divisors is an integer number (34339654).

Almost surely, 2^68679307 is an apocalyptic number.

68679307 is a deficient number, since it is larger than the sum of its proper divisors (1).

68679307 is an equidigital number, since it uses as much as digits as its factorization.

68679307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 381024, while the sum is 46.

The square root of 68679307 is about 8287.2979311715. The cubic root of 68679307 is about 409.5201743492.

It can be divided in two parts, 68679 and 307, that added together give a palindrome (68986).

The spelling of 68679307 in words is "sixty-eight million, six hundred seventy-nine thousand, three hundred seven".