68586064 has 10 divisors (see below), whose sum is σ = 132885530. Its totient is φ = 34293024.

The previous prime is 68586059. The next prime is 68586079. The reversal of 68586064 is 46068586.

It can be written as a sum of positive squares in only one way, i.e., 36096064 + 32490000 = 6008^2 + 5700^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 68586064.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2143299 + ... + 2143330.

It is an arithmetic number, because the mean of its divisors is an integer number (13288553).

Almost surely, 2^68586064 is an apocalyptic number.

It is an amenable number.

68586064 is a deficient number, since it is larger than the sum of its proper divisors (64299466).

68586064 is a wasteful number, since it uses less digits than its factorization.

68586064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4286637 (or 4286631 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 43.

The square root of 68586064 is about 8281.6703629159. The cubic root of 68586064 is about 409.3347609887.

The spelling of 68586064 in words is "sixty-eight million, five hundred eighty-six thousand, sixty-four".