68807 has 4 divisors (see below), whose sum is σ = 69720. Its totient is φ = 67896.
The previous prime is 68791. The next prime is 68813. The reversal of 68807 is 70886.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 68807 - 24 = 68791 is a prime.
It is a plaindrome in base 12.
It is a self number, because there is not a number n which added to its sum of digits gives 68807.
It is a congruent number.
It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 68807.
It is not an unprimeable number, because it can be changed into a prime (68897) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 332 + ... + 497.
It is an arithmetic number, because the mean of its divisors is an integer number (17430).
268807 is an apocalyptic number.
68807 is a deficient number, since it is larger than the sum of its proper divisors (913).
68807 is an equidigital number, since it uses as much as digits as its factorization.
68807 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 912.
The product of its (nonzero) digits is 2688, while the sum is 29.
The square root of 68807 is about 262.3108842576. The cubic root of 68807 is about 40.9773819329.
The spelling of 68807 in words is "sixty-eight thousand, eight hundred seven".
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