68324693 has 2 divisors, whose sum is σ = 68324694. Its totient is φ = 68324692.

The previous prime is 68324653. The next prime is 68324701. The reversal of 68324693 is 39642386.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 68277169 + 47524 = 8263^2 + 218^2 .

It is a cyclic number.

It is not a de Polignac number, because 68324693 - 2⁶ = 68324629 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 68324693.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68324653) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34162346 + 34162347.

It is an arithmetic number, because the mean of its divisors is an integer number (34162347).

Almost surely, 2^68324693 is an apocalyptic number.

It is an amenable number.

68324693 is a deficient number, since it is larger than the sum of its proper divisors (1).

68324693 is an equidigital number, since it uses as much as digits as its factorization.

68324693 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 186624, while the sum is 41.

The square root of 68324693 is about 8265.8752107687. The cubic root of 68324693 is about 408.8141283543.

The spelling of 68324693 in words is "sixty-eight million, three hundred twenty-four thousand, six hundred ninety-three".