68347379 has 2 divisors, whose sum is σ = 68347380. Its totient is φ = 68347378.

The previous prime is 68347373. The next prime is 68347393. The reversal of 68347379 is 97374386.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68347379 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68347373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34173689 + 34173690.

It is an arithmetic number, because the mean of its divisors is an integer number (34173690).

Almost surely, 2^68347379 is an apocalyptic number.

68347379 is a deficient number, since it is larger than the sum of its proper divisors (1).

68347379 is an equidigital number, since it uses as much as digits as its factorization.

68347379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 762048, while the sum is 47.

The square root of 68347379 is about 8267.2473653569. The cubic root of 68347379 is about 408.8593698360.

The spelling of 68347379 in words is "sixty-eight million, three hundred forty-seven thousand, three hundred seventy-nine".