68782193 has 2 divisors, whose sum is σ = 68782194. Its totient is φ = 68782192.

The previous prime is 68782169. The next prime is 68782201. The reversal of 68782193 is 39128786.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 50523664 + 18258529 = 7108^2 + 4273^2 .

It is a cyclic number.

It is not a de Polignac number, because 68782193 - 2¹² = 68778097 is a prime.

It is not a weakly prime, because it can be changed into another prime (68752193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34391096 + 34391097.

It is an arithmetic number, because the mean of its divisors is an integer number (34391097).

Almost surely, 2^68782193 is an apocalyptic number.

It is an amenable number.

68782193 is a deficient number, since it is larger than the sum of its proper divisors (1).

68782193 is an equidigital number, since it uses as much as digits as its factorization.

68782193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 44.

The square root of 68782193 is about 8293.5030596244. The cubic root of 68782193 is about 409.7245681336.

The spelling of 68782193 in words is "sixty-eight million, seven hundred eighty-two thousand, one hundred ninety-three".