68385759 has 8 divisors (see below), whose sum is σ = 98194992. Its totient is φ = 42083520.

The previous prime is 68385749. The next prime is 68385763. The reversal of 68385759 is 95758386.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68385759 - 2¹⁹ = 67861471 is a prime.

It is a super-2 number, since 2×68385759² = 9353224068012162, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68385749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 876702 + ... + 876779.

It is an arithmetic number, because the mean of its divisors is an integer number (12274374).

Almost surely, 2^68385759 is an apocalyptic number.

68385759 is a deficient number, since it is larger than the sum of its proper divisors (29809233).

68385759 is a wasteful number, since it uses less digits than its factorization.

68385759 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1753497.

The product of its digits is 1814400, while the sum is 51.

The square root of 68385759 is about 8269.5682474964. The cubic root of 68385759 is about 408.9358862365.

The spelling of 68385759 in words is "sixty-eight million, three hundred eighty-five thousand, seven hundred fifty-nine".