68288056 has 8 divisors (see below), whose sum is σ = 128040120. Its totient is φ = 34144024.

The previous prime is 68288053. The next prime is 68288063. The reversal of 68288056 is 65088286.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68288053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4267996 + ... + 4268011.

It is an arithmetic number, because the mean of its divisors is an integer number (16005015).

Almost surely, 2^68288056 is an apocalyptic number.

It is an amenable number.

68288056 is a deficient number, since it is larger than the sum of its proper divisors (59752064).

68288056 is a wasteful number, since it uses less digits than its factorization.

68288056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8536013 (or 8536009 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The square root of 68288056 is about 8263.6587538451. The cubic root of 68288056 is about 408.7410439857.

It can be divided in two parts, 6828 and 8056, that added together give a square (14884 = 122²).

The spelling of 68288056 in words is "sixty-eight million, two hundred eighty-eight thousand, fifty-six".