68316946 has 16 divisors (see below), whose sum is σ = 107106624. Its totient is φ = 32619664.

The previous prime is 68316907. The next prime is 68316959. The reversal of 68316946 is 64961386.

It is a super-2 number, since 2×68316946² = 9334410221533832, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52860 + ... + 54136.

It is an arithmetic number, because the mean of its divisors is an integer number (6694164).

Almost surely, 2^68316946 is an apocalyptic number.

68316946 is a deficient number, since it is larger than the sum of its proper divisors (38789678).

68316946 is a wasteful number, since it uses less digits than its factorization.

68316946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2465.

The product of its digits is 186624, while the sum is 43.

The square root of 68316946 is about 8265.4065840707. The cubic root of 68316946 is about 408.7986766309.

The spelling of 68316946 in words is "sixty-eight million, three hundred sixteen thousand, nine hundred forty-six".