68368793 has 2 divisors, whose sum is σ = 68368794. Its totient is φ = 68368792.

The previous prime is 68368777. The next prime is 68368813. The reversal of 68368793 is 39786386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 58553104 + 9815689 = 7652^2 + 3133^2 .

It is a cyclic number.

It is not a de Polignac number, because 68368793 - 2⁴ = 68368777 is a prime.

It is not a weakly prime, because it can be changed into another prime (68368093) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34184396 + 34184397.

It is an arithmetic number, because the mean of its divisors is an integer number (34184397).

Almost surely, 2^68368793 is an apocalyptic number.

It is an amenable number.

68368793 is a deficient number, since it is larger than the sum of its proper divisors (1).

68368793 is an equidigital number, since it uses as much as digits as its factorization.

68368793 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1306368, while the sum is 50.

The square root of 68368793 is about 8268.5423745664. The cubic root of 68368793 is about 408.9020654519.

The spelling of 68368793 in words is "sixty-eight million, three hundred sixty-eight thousand, seven hundred ninety-three".