68316286 has 32 divisors (see below), whose sum is σ = 114048000. Its totient is φ = 30556512.

The previous prime is 68316211. The next prime is 68316289. The reversal of 68316286 is 68261386.

It is a super-2 number, since 2×68316286² = 9334229865667592, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68316289) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 51135 + ... + 52453.

It is an arithmetic number, because the mean of its divisors is an integer number (3564000).

Almost surely, 2^68316286 is an apocalyptic number.

68316286 is a deficient number, since it is larger than the sum of its proper divisors (45731714).

68316286 is a wasteful number, since it uses less digits than its factorization.

68316286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416.

The product of its digits is 82944, while the sum is 40.

The square root of 68316286 is about 8265.3666585337. The cubic root of 68316286 is about 408.7973601787.

The spelling of 68316286 in words is "sixty-eight million, three hundred sixteen thousand, two hundred eighty-six".