68929 has 8 divisors (see below), whose sum is σ = 80960. Its totient is φ = 57456.

The previous prime is 68927. The next prime is 68947. The reversal of 68929 is 92986.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 68929 - 2¹ = 68927 is a prime.

It is a Duffinian number.

68929 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 68894 and 68903.

It is not an unprimeable number, because it can be changed into a prime (68927) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 187 + ... + 415.

It is an arithmetic number, because the mean of its divisors is an integer number (10120).

2⁶⁸⁹²⁹ is an apocalyptic number.

It is an amenable number.

68929 is a deficient number, since it is larger than the sum of its proper divisors (12031).

68929 is a wasteful number, since it uses less digits than its factorization.

68929 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279.

The product of its digits is 7776, while the sum is 34.

The square root of 68929 is about 262.5433297572. The cubic root of 68929 is about 41.0015862960.

The spelling of 68929 in words is "sixty-eight thousand, nine hundred twenty-nine".