68358056 has 16 divisors (see below), whose sum is σ = 138030900. Its totient is φ = 31549824.

The previous prime is 68358013. The next prime is 68358077. The reversal of 68358056 is 65085386.

It can be written as a sum of positive squares in 2 ways, for example, as 61936900 + 6421156 = 7870^2 + 2534^2 .

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, 328541 + ... + 328748.

Almost surely, 2^68358056 is an apocalyptic number.

It is an amenable number.

68358056 is an abundant number, since it is smaller than the sum of its proper divisors (69672844).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68358056 is a wasteful number, since it uses less digits than its factorization.

68358056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 657308 (or 657304 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 41.

The square root of 68358056 is about 8267.8930810697. The cubic root of 68358056 is about 408.8806589440.

The spelling of 68358056 in words is "sixty-eight million, three hundred fifty-eight thousand, fifty-six".