68753687 has 2 divisors, whose sum is σ = 68753688. Its totient is φ = 68753686.

The previous prime is 68753683. The next prime is 68753719. The reversal of 68753687 is 78635786.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 68753687 - 2² = 68753683 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 (68753681) 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, 34376843 + 34376844.

It is an arithmetic number, because the mean of its divisors is an integer number (34376844).

Almost surely, 2^68753687 is an apocalyptic number.

68753687 is a deficient number, since it is larger than the sum of its proper divisors (1).

68753687 is an equidigital number, since it uses as much as digits as its factorization.

68753687 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1693440, while the sum is 50.

The square root of 68753687 is about 8291.7843073732. The cubic root of 68753687 is about 409.6679584119.

The spelling of 68753687 in words is "sixty-eight million, seven hundred fifty-three thousand, six hundred eighty-seven".