68347093 has 2 divisors, whose sum is σ = 68347094. Its totient is φ = 68347092.

The previous prime is 68347091. The next prime is 68347109. The reversal of 68347093 is 39074386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 68013009 + 334084 = 8247^2 + 578^2 .

It is a cyclic number.

It is not a de Polignac number, because 68347093 - 2¹ = 68347091 is a prime.

Together with 68347091, 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 (68347091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34173546 + 34173547.

It is an arithmetic number, because the mean of its divisors is an integer number (34173547).

Almost surely, 2^68347093 is an apocalyptic number.

It is an amenable number.

68347093 is a deficient number, since it is larger than the sum of its proper divisors (1).

68347093 is an equidigital number, since it uses as much as digits as its factorization.

68347093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 68347093 is about 8267.2300681667. The cubic root of 68347093 is about 408.8587995437.

The spelling of 68347093 in words is "sixty-eight million, three hundred forty-seven thousand, ninety-three".