68346349 has 2 divisors, whose sum is σ = 68346350. Its totient is φ = 68346348.

The previous prime is 68346347. The next prime is 68346353. The reversal of 68346349 is 94364386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 52490025 + 15856324 = 7245^2 + 3982^2 .

It is a cyclic number.

It is not a de Polignac number, because 68346349 - 2¹ = 68346347 is a prime.

Together with 68346347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68346347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34173174 + 34173175.

It is an arithmetic number, because the mean of its divisors is an integer number (34173175).

Almost surely, 2^68346349 is an apocalyptic number.

It is an amenable number.

68346349 is a deficient number, since it is larger than the sum of its proper divisors (1).

68346349 is an equidigital number, since it uses as much as digits as its factorization.

68346349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 373248, while the sum is 43.

The square root of 68346349 is about 8267.1850711110. The cubic root of 68346349 is about 408.8573159788.

The spelling of 68346349 in words is "sixty-eight million, three hundred forty-six thousand, three hundred forty-nine".