68170943 has 2 divisors, whose sum is σ = 68170944. Its totient is φ = 68170942.

The previous prime is 68170939. The next prime is 68170951. The reversal of 68170943 is 34907186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68170943 - 2² = 68170939 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 68170897 and 68170906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68170343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34085471 + 34085472.

It is an arithmetic number, because the mean of its divisors is an integer number (34085472).

Almost surely, 2^68170943 is an apocalyptic number.

68170943 is a deficient number, since it is larger than the sum of its proper divisors (1).

68170943 is an equidigital number, since it uses as much as digits as its factorization.

68170943 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 68170943 is about 8256.5696872248. The cubic root of 68170943 is about 408.5072486800.

The spelling of 68170943 in words is "sixty-eight million, one hundred seventy thousand, nine hundred forty-three".