68685353 has 16 divisors (see below), whose sum is σ = 76289472. Its totient is φ = 61320000.

The previous prime is 68685347. The next prime is 68685359. The reversal of 68685353 is 35358686.

It is an interprime number because it is at equal distance from previous prime (68685347) and next prime (68685359).

It is a cyclic number.

It is not a de Polignac number, because 68685353 - 2²⁴ = 51908137 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (68685359) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 234275 + ... + 234567.

It is an arithmetic number, because the mean of its divisors is an integer number (4768092).

Almost surely, 2^68685353 is an apocalyptic number.

It is an amenable number.

68685353 is a deficient number, since it is larger than the sum of its proper divisors (7604119).

68685353 is a wasteful number, since it uses less digits than its factorization.

68685353 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its digits is 518400, while the sum is 44.

The square root of 68685353 is about 8287.6626982521. The cubic root of 68685353 is about 409.5321910028.

It can be divided in two parts, 6868 and 5353, that added together give a palindrome (12221).

The spelling of 68685353 in words is "sixty-eight million, six hundred eighty-five thousand, three hundred fifty-three".