68667341 has 2 divisors, whose sum is σ = 68667342. Its totient is φ = 68667340.

The previous prime is 68667323. The next prime is 68667343. The reversal of 68667341 is 14376686.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 64464841 + 4202500 = 8029^2 + 2050^2 .

It is a cyclic number.

It is not a de Polignac number, because 68667341 - 2²² = 64473037 is a prime.

It is a Sophie Germain prime.

Together with 68667343, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68667343) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34333670 + 34333671.

It is an arithmetic number, because the mean of its divisors is an integer number (34333671).

Almost surely, 2^68667341 is an apocalyptic number.

It is an amenable number.

68667341 is a deficient number, since it is larger than the sum of its proper divisors (1).

68667341 is an equidigital number, since it uses as much as digits as its factorization.

68667341 is an odious number, because the sum of its binary digits is odd.

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

The square root of 68667341 is about 8286.5759515013. The cubic root of 68667341 is about 409.4963893925.

The spelling of 68667341 in words is "sixty-eight million, six hundred sixty-seven thousand, three hundred forty-one".