68068577 has 2 divisors, whose sum is σ = 68068578. Its totient is φ = 68068576.

The previous prime is 68068573. The next prime is 68068603. The reversal of 68068577 is 77586086.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55115776 + 12952801 = 7424^2 + 3599^2 .

It is a cyclic number.

It is not a de Polignac number, because 68068577 - 2² = 68068573 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68068573) 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, 34034288 + 34034289.

It is an arithmetic number, because the mean of its divisors is an integer number (34034289).

Almost surely, 2^68068577 is an apocalyptic number.

It is an amenable number.

68068577 is a deficient number, since it is larger than the sum of its proper divisors (1).

68068577 is an equidigital number, since it uses as much as digits as its factorization.

68068577 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 564480, while the sum is 47.

The square root of 68068577 is about 8250.3682948096. The cubic root of 68068577 is about 408.3026737311.

The spelling of 68068577 in words is "sixty-eight million, sixty-eight thousand, five hundred seventy-seven".