68220701 has 2 divisors, whose sum is σ = 68220702. Its totient is φ = 68220700.

The previous prime is 68220667. The next prime is 68220707. The reversal of 68220701 is 10702286.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 54007801 + 14212900 = 7349^2 + 3770^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68220701 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68220707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34110350 + 34110351.

It is an arithmetic number, because the mean of its divisors is an integer number (34110351).

Almost surely, 2^68220701 is an apocalyptic number.

It is an amenable number.

68220701 is a deficient number, since it is larger than the sum of its proper divisors (1).

68220701 is an equidigital number, since it uses as much as digits as its factorization.

68220701 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 68220701 is about 8259.5823744303. The cubic root of 68220701 is about 408.6066143791.

Adding to 68220701 its reverse (10702286), we get a palindrome (78922987).

It can be divided in two parts, 68220 and 701, that added together give a cube (68921 = 41³).

The spelling of 68220701 in words is "sixty-eight million, two hundred twenty thousand, seven hundred one".