68709701 has 2 divisors, whose sum is σ = 68709702. Its totient is φ = 68709700.

The previous prime is 68709679. The next prime is 68709731. The reversal of 68709701 is 10790786.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 56100100 + 12609601 = 7490^2 + 3551^2 .

It is a cyclic number.

It is not a de Polignac number, because 68709701 - 2²² = 64515397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68709731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34354850 + 34354851.

It is an arithmetic number, because the mean of its divisors is an integer number (34354851).

Almost surely, 2^68709701 is an apocalyptic number.

It is an amenable number.

68709701 is a deficient number, since it is larger than the sum of its proper divisors (1).

68709701 is an equidigital number, since it uses as much as digits as its factorization.

68709701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 21168, while the sum is 38.

The square root of 68709701 is about 8289.1314985347. The cubic root of 68709701 is about 409.5805764365.

The spelling of 68709701 in words is "sixty-eight million, seven hundred nine thousand, seven hundred one".