68829 has 4 divisors (see below), whose sum is σ = 91776. Its totient is φ = 45884.

The previous prime is 68821. The next prime is 68863. The reversal of 68829 is 92886.

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 68829 - 2³ = 68821 is a prime.

It is a D-number.

It is a Curzon number.

68829 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 68829.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68821) 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, 11469 + ... + 11474.

It is an arithmetic number, because the mean of its divisors is an integer number (22944).

2⁶⁸⁸²⁹ is an apocalyptic number.

It is an amenable number.

68829 is a deficient number, since it is larger than the sum of its proper divisors (22947).

68829 is a wasteful number, since it uses less digits than its factorization.

68829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22946.

The product of its digits is 6912, while the sum is 33.

The square root of 68829 is about 262.3528158797. The cubic root of 68829 is about 40.9817487674.

It can be divided in two parts, 688 and 29, that added together give a palindrome (717).

The spelling of 68829 in words is "sixty-eight thousand, eight hundred twenty-nine".