68112712 has 16 divisors (see below), whose sum is σ = 128277360. Its totient is φ = 33905424.

The previous prime is 68112703. The next prime is 68112757. The reversal of 68112712 is 21721186.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16938 + ... + 20569.

It is an arithmetic number, because the mean of its divisors is an integer number (8017335).

Almost surely, 2^68112712 is an apocalyptic number.

It is an amenable number.

68112712 is a deficient number, since it is larger than the sum of its proper divisors (60164648).

68112712 is a wasteful number, since it uses less digits than its factorization.

68112712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37740 (or 37736 counting only the distinct ones).

The product of its digits is 1344, while the sum is 28.

The square root of 68112712 is about 8253.0425904632. The cubic root of 68112712 is about 408.3909011529.

Adding to 68112712 its reverse (21721186), we get a palindrome (89833898).

The spelling of 68112712 in words is "sixty-eight million, one hundred twelve thousand, seven hundred twelve".