68293 has 4 divisors (see below), whose sum is σ = 70528. Its totient is φ = 66060.

The previous prime is 68281. The next prime is 68311. The reversal of 68293 is 39286.

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 68293 - 2⁵ = 68261 is a prime.

It is a Duffinian number.

68293 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68213) 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, 1071 + ... + 1132.

It is an arithmetic number, because the mean of its divisors is an integer number (17632).

2⁶⁸²⁹³ is an apocalyptic number.

It is an amenable number.

68293 is a deficient number, since it is larger than the sum of its proper divisors (2235).

68293 is a wasteful number, since it uses less digits than its factorization.

68293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2234.

The product of its digits is 2592, while the sum is 28.

The square root of 68293 is about 261.3292941865. The cubic root of 68293 is about 40.8750907921.

Subtracting from 68293 its sum of digits (28), we obtain a triangular number (68265 = T₃₆₉).

It can be divided in two parts, 68 and 293, that added together give a square (361 = 19²).

The spelling of 68293 in words is "sixty-eight thousand, two hundred ninety-three".