68746361 has 2 divisors, whose sum is σ = 68746362. Its totient is φ = 68746360.

The previous prime is 68746343. The next prime is 68746367. The reversal of 68746361 is 16364786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 51265600 + 17480761 = 7160^2 + 4181^2 .

It is a cyclic number.

It is not a de Polignac number, because 68746361 - 2¹⁰ = 68745337 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (68746367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34373180 + 34373181.

It is an arithmetic number, because the mean of its divisors is an integer number (34373181).

Almost surely, 2^68746361 is an apocalyptic number.

It is an amenable number.

68746361 is a deficient number, since it is larger than the sum of its proper divisors (1).

68746361 is an equidigital number, since it uses as much as digits as its factorization.

68746361 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 41.

The square root of 68746361 is about 8291.3425330280. The cubic root of 68746361 is about 409.6534072695.

The spelling of 68746361 in words is "sixty-eight million, seven hundred forty-six thousand, three hundred sixty-one".