68316412 has 6 divisors (see below), whose sum is σ = 119553728. Its totient is φ = 34158204.

The previous prime is 68316389. The next prime is 68316433. The reversal of 68316412 is 21461386.

It is a happy number.

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 as a sum of consecutive naturals, namely, 8539548 + ... + 8539555.

Almost surely, 2^68316412 is an apocalyptic number.

It is an amenable number.

68316412 is a deficient number, since it is larger than the sum of its proper divisors (51237316).

68316412 is a wasteful number, since it uses less digits than its factorization.

68316412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17079107 (or 17079105 counting only the distinct ones).

The product of its digits is 6912, while the sum is 31.

The square root of 68316412 is about 8265.3742806965. The cubic root of 68316412 is about 408.7976115020.

Adding to 68316412 its reverse (21461386), we get a palindrome (89777798).

The spelling of 68316412 in words is "sixty-eight million, three hundred sixteen thousand, four hundred twelve".