67443 has 4 divisors (see below), whose sum is σ = 89928. Its totient is φ = 44960.

The previous prime is 67433. The next prime is 67447. The reversal of 67443 is 34476.

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

It is a cyclic number.

It is not a de Polignac number, because 67443 - 2⁴ = 67427 is a prime.

It is a D-number.

67443 is a lucky number.

It is a plaindrome in base 9.

It is not an unprimeable number, because it can be changed into a prime (67447) 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, 11238 + ... + 11243.

It is an arithmetic number, because the mean of its divisors is an integer number (22482).

2⁶⁷⁴⁴³ is an apocalyptic number.

67443 is a deficient number, since it is larger than the sum of its proper divisors (22485).

67443 is a wasteful number, since it uses less digits than its factorization.

67443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22484.

The product of its digits is 2016, while the sum is 24.

The square root of 67443 is about 259.6979014162. The cubic root of 67443 is about 40.7048001470.

It can be divided in two parts, 674 and 43, that multiplied together give a palindrome (28982).

The spelling of 67443 in words is "sixty-seven thousand, four hundred forty-three".