68197 has 4 divisors (see below), whose sum is σ = 69696. Its totient is φ = 66700.
The previous prime is 68171. The next prime is 68207. The reversal of 68197 is 79186.
68197 is nontrivially palindromic in base 6.
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 a de Polignac number, because none of the positive numbers 2k-68197 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (68147) by changing a digit.
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, 679 + ... + 772.
It is an arithmetic number, because the mean of its divisors is an integer number (17424).
268197 is an apocalyptic number.
It is an amenable number.
68197 is a deficient number, since it is larger than the sum of its proper divisors (1499).
68197 is a wasteful number, since it uses less digits than its factorization.
68197 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1498.
The product of its digits is 3024, while the sum is 31.
The square root of 68197 is about 261.1455532840. The cubic root of 68197 is about 40.8559289999.
The spelling of 68197 in words is "sixty-eight thousand, one hundred ninety-seven".
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