68367812 has 12 divisors (see below), whose sum is σ = 126681660. Its totient is φ = 32173056.

The previous prime is 68367791. The next prime is 68367821. The reversal of 68367812 is 21876386.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 35832196 + 32535616 = 5986^2 + 5704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68367812.

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 3 ways as a sum of consecutive naturals, for example, 502637 + ... + 502772.

It is an arithmetic number, because the mean of its divisors is an integer number (10556805).

Almost surely, 2^68367812 is an apocalyptic number.

It is an amenable number.

68367812 is a deficient number, since it is larger than the sum of its proper divisors (58313848).

68367812 is a wasteful number, since it uses less digits than its factorization.

68367812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1005430 (or 1005428 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 68367812 is about 8268.4830531362. The cubic root of 68367812 is about 408.9001097114.

The spelling of 68367812 in words is "sixty-eight million, three hundred sixty-seven thousand, eight hundred twelve".