68718707 has 2 divisors, whose sum is σ = 68718708. Its totient is φ = 68718706.

The previous prime is 68718701. The next prime is 68718721. The reversal of 68718707 is 70781786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68718707 - 2¹⁴ = 68702323 is a prime.

It is not a weakly prime, because it can be changed into another prime (68718701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34359353 + 34359354.

It is an arithmetic number, because the mean of its divisors is an integer number (34359354).

Almost surely, 2^68718707 is an apocalyptic number.

68718707 is a deficient number, since it is larger than the sum of its proper divisors (1).

68718707 is an equidigital number, since it uses as much as digits as its factorization.

68718707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 131712, while the sum is 44.

The square root of 68718707 is about 8289.6747222071. The cubic root of 68718707 is about 409.5984706663.

The spelling of 68718707 in words is "sixty-eight million, seven hundred eighteen thousand, seven hundred seven".