68083712 has 28 divisors (see below), whose sum is σ = 136175496. Its totient is φ = 34037760.

The previous prime is 68083711. The next prime is 68083723. The reversal of 68083712 is 21738086.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68083711) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4037 + ... + 12347.

Almost surely, 2^68083712 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 68083712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68087748).

68083712 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

68083712 is an frugal number, since it uses more digits than its factorization.

68083712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8337 (or 8313 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 68083712 is about 8251.2854756092. The cubic root of 68083712 is about 408.3329334255.

The spelling of 68083712 in words is "sixty-eight million, eighty-three thousand, seven hundred twelve".