43343681 has 8 divisors (see below), whose sum is σ = 43775424. Its totient is φ = 42914320.

The previous prime is 43343669. The next prime is 43343723. The reversal of 43343681 is 18634334.

43343681 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 43343681 - 2²² = 39149377 is a prime.

It is a super-2 number, since 2×43343681² = 3757349365259522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (43343621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76706 + ... + 77268.

It is an arithmetic number, because the mean of its divisors is an integer number (5471928).

Almost surely, 2^43343681 is an apocalyptic number.

It is an amenable number.

43343681 is a deficient number, since it is larger than the sum of its proper divisors (431743).

43343681 is a wasteful number, since it uses less digits than its factorization.

43343681 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1191.

The product of its digits is 20736, while the sum is 32.

The square root of 43343681 is about 6583.5918008333. The cubic root of 43343681 is about 351.2707034735.

The spelling of 43343681 in words is "forty-three million, three hundred forty-three thousand, six hundred eighty-one".