4243073 has 4 divisors (see below), whose sum is σ = 4271700. Its totient is φ = 4214448.

The previous prime is 4243069. The next prime is 4243087. The reversal of 4243073 is 3703424.

It is a happy number.

4243073 is nontrivially palindromic in base 2.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1117249 + 3125824 = 1057^2 + 1768^2 .

It is a cyclic number.

It is not a de Polignac number, because 4243073 - 2² = 4243069 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4243003) 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, 14090 + ... + 14387.

It is an arithmetic number, because the mean of its divisors is an integer number (1067925).

Almost surely, 2^4243073 is an apocalyptic number.

It is an amenable number.

4243073 is a deficient number, since it is larger than the sum of its proper divisors (28627).

4243073 is a wasteful number, since it uses less digits than its factorization.

4243073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28626.

The product of its (nonzero) digits is 2016, while the sum is 23.

The square root of 4243073 is about 2059.8720834071. The cubic root of 4243073 is about 161.8925391072.

Adding to 4243073 its reverse (3703424), we get a palindrome (7946497).

The spelling of 4243073 in words is "four million, two hundred forty-three thousand, seventy-three".