68056826 has 4 divisors (see below), whose sum is σ = 102085242. Its totient is φ = 34028412.

The previous prime is 68056819. The next prime is 68056829. The reversal of 68056826 is 62865086.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 58140625 + 9916201 = 7625^2 + 3149^2 .

It is not an unprimeable number, because it can be changed into a prime (68056829) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17014205 + ... + 17014208.

Almost surely, 2^68056826 is an apocalyptic number.

68056826 is a deficient number, since it is larger than the sum of its proper divisors (34028416).

68056826 is a wasteful number, since it uses less digits than its factorization.

68056826 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34028415.

The product of its (nonzero) digits is 138240, while the sum is 41.

The square root of 68056826 is about 8249.6561140450. The cubic root of 68056826 is about 408.2791766391.

It can be divided in two parts, 6805 and 6826, that added together give a palindrome (13631).

The spelling of 68056826 in words is "sixty-eight million, fifty-six thousand, eight hundred twenty-six".