68385256 has 64 divisors (see below), whose sum is σ = 145612800. Its totient is φ = 29937600.

The previous prime is 68385241. The next prime is 68385257. The reversal of 68385256 is 65258386.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (68385257) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 108061 + ... + 108691.

It is an arithmetic number, because the mean of its divisors is an integer number (2275200).

Almost surely, 2^68385256 is an apocalyptic number.

It is an amenable number.

68385256 is an abundant number, since it is smaller than the sum of its proper divisors (77227544).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68385256 is a wasteful number, since it uses less digits than its factorization.

68385256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 706 counting only the distinct ones).

The product of its digits is 345600, while the sum is 43.

The square root of 68385256 is about 8269.5378347281. The cubic root of 68385256 is about 408.9348836142.

The spelling of 68385256 in words is "sixty-eight million, three hundred eighty-five thousand, two hundred fifty-six".