68708712 has 64 divisors (see below), whose sum is σ = 182952000. Its totient is φ = 21441024.

The previous prime is 68708707. The next prime is 68708719. The reversal of 68708712 is 21780786.

It is not an unprimeable number, because it can be changed into a prime (68708719) 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, 39738 + ... + 41430.

It is an arithmetic number, because the mean of its divisors is an integer number (2858625).

Almost surely, 2^68708712 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 68708712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91476000).

68708712 is an abundant number, since it is smaller than the sum of its proper divisors (114243288).

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

68708712 is a wasteful number, since it uses less digits than its factorization.

68708712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 37632, while the sum is 39.

The square root of 68708712 is about 8289.0718418892. The cubic root of 68708712 is about 409.5786112743.

The spelling of 68708712 in words is "sixty-eight million, seven hundred eight thousand, seven hundred twelve".