68893 has 4 divisors (see below), whose sum is σ = 75168. Its totient is φ = 62620.
The previous prime is 68891. The next prime is 68897. The reversal of 68893 is 39886.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.
It is a cyclic number.
It is not a de Polignac number, because 68893 - 21 = 68891 is a prime.
It is a Duffinian number.
It is a plaindrome in base 9.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68891) 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, 3121 + ... + 3142.
It is an arithmetic number, because the mean of its divisors is an integer number (18792).
268893 is an apocalyptic number.
It is an amenable number.
68893 is a deficient number, since it is larger than the sum of its proper divisors (6275).
68893 is a wasteful number, since it uses less digits than its factorization.
68893 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6274.
The product of its digits is 10368, while the sum is 34.
The square root of 68893 is about 262.4747606914. The cubic root of 68893 is about 40.9944469973.
It can be divided in two parts, 68 and 893, that added together give a square (961 = 312).
The spelling of 68893 in words is "sixty-eight thousand, eight hundred ninety-three".
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