68788 has 12 divisors (see below), whose sum is σ = 124740. Its totient is φ = 33152.
The previous prime is 68777. The next prime is 68791. The reversal of 68788 is 88786.
It can be written as a sum of positive squares in 2 ways, for example, as 39204 + 29584 = 198^2 + 172^2 .
It is a plaindrome in base 15.
It is a congruent number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 181 + ... + 412.
It is an arithmetic number, because the mean of its divisors is an integer number (10395).
268788 is an apocalyptic number.
It is an amenable number.
68788 is a deficient number, since it is larger than the sum of its proper divisors (55952).
68788 is a wasteful number, since it uses less digits than its factorization.
68788 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 626 (or 624 counting only the distinct ones).
The product of its digits is 21504, while the sum is 37.
The square root of 68788 is about 262.2746651890. The cubic root of 68788 is about 40.9736098267.
It can be divided in two parts, 6878 and 8, that added together give a palindrome (6886).
The spelling of 68788 in words is "sixty-eight thousand, seven hundred eighty-eight".
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