68434 has 4 divisors (see below), whose sum is σ = 102654. Its totient is φ = 34216.

The previous prime is 68399. The next prime is 68437. The reversal of 68434 is 43486.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 41209 + 27225 = 203^2 + 165^2 .

It is a plaindrome in base 9.

It is a junction number, because it is equal to n+sod(n) for n = 68399 and 68408.

It is not an unprimeable number, because it can be changed into a prime (68437) 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 as a sum of consecutive naturals, namely, 17107 + ... + 17110.

2⁶⁸⁴³⁴ is an apocalyptic number.

68434 is a deficient number, since it is larger than the sum of its proper divisors (34220).

68434 is a wasteful number, since it uses less digits than its factorization.

68434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34219.

The product of its digits is 2304, while the sum is 25.

The square root of 68434 is about 261.5989296614. The cubic root of 68434 is about 40.9032021453.

It can be divided in two parts, 6843 and 4, that multiplied together give a palindrome (27372).

The spelling of 68434 in words is "sixty-eight thousand, four hundred thirty-four".