68387093 has 2 divisors, whose sum is σ = 68387094. Its totient is φ = 68387092.

The previous prime is 68387083. The next prime is 68387173. The reversal of 68387093 is 39078386.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 64673764 + 3713329 = 8042^2 + 1927^2 .

It is a cyclic number.

It is not a de Polignac number, because 68387093 - 2⁶ = 68387029 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68387003) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34193546 + 34193547.

It is an arithmetic number, because the mean of its divisors is an integer number (34193547).

Almost surely, 2^68387093 is an apocalyptic number.

It is an amenable number.

68387093 is a deficient number, since it is larger than the sum of its proper divisors (1).

68387093 is an equidigital number, since it uses as much as digits as its factorization.

68387093 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 44.

The square root of 68387093 is about 8269.6489042764. The cubic root of 68387093 is about 408.9385452547.

It can be divided in two parts, 6838 and 7093, that added together give a palindrome (13931).

The spelling of 68387093 in words is "sixty-eight million, three hundred eighty-seven thousand, ninety-three".