68707943 has 2 divisors, whose sum is σ = 68707944. Its totient is φ = 68707942.

The previous prime is 68707939. The next prime is 68707949. The reversal of 68707943 is 34970786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68707943 - 2² = 68707939 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 68707894 and 68707903.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68707949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34353971 + 34353972.

It is an arithmetic number, because the mean of its divisors is an integer number (34353972).

Almost surely, 2^68707943 is an apocalyptic number.

68707943 is a deficient number, since it is larger than the sum of its proper divisors (1).

68707943 is an equidigital number, since it uses as much as digits as its factorization.

68707943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 68707943 is about 8289.0254553838. The cubic root of 68707943 is about 409.5770832433.

The spelling of 68707943 in words is "sixty-eight million, seven hundred seven thousand, nine hundred forty-three".