68191367 has 2 divisors, whose sum is σ = 68191368. Its totient is φ = 68191366.

The previous prime is 68191349. The next prime is 68191423. The reversal of 68191367 is 76319186.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68191367 - 2²⁰ = 67142791 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68191567) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34095683 + 34095684.

It is an arithmetic number, because the mean of its divisors is an integer number (34095684).

Almost surely, 2^68191367 is an apocalyptic number.

68191367 is a deficient number, since it is larger than the sum of its proper divisors (1).

68191367 is an equidigital number, since it uses as much as digits as its factorization.

68191367 is an evil number, because the sum of its binary digits is even.

The product of its digits is 54432, while the sum is 41.

The square root of 68191367 is about 8257.8064278596. The cubic root of 68191367 is about 408.5480408347.

The spelling of 68191367 in words is "sixty-eight million, one hundred ninety-one thousand, three hundred sixty-seven".