68318712 has 96 divisors (see below), whose sum is σ = 230705280. Its totient is φ = 17743680.

The previous prime is 68318689. The next prime is 68318741. The reversal of 68318712 is 21781386.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 618 + ... + 11705.

It is an arithmetic number, because the mean of its divisors is an integer number (2403180).

Almost surely, 2^68318712 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 68318712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115352640).

68318712 is an abundant number, since it is smaller than the sum of its proper divisors (162386568).

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

68318712 is a wasteful number, since it uses less digits than its factorization.

68318712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12353 (or 12346 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 68318712 is about 8265.5134141806. The cubic root of 68318712 is about 408.8021990964.

The spelling of 68318712 in words is "sixty-eight million, three hundred eighteen thousand, seven hundred twelve".