729443 has 8 divisors (see below), whose sum is σ = 857136. Its totient is φ = 612000.

The previous prime is 729413. The next prime is 729451. The reversal of 729443 is 344927.

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 729443 - 2⁸ = 729187 is a prime.

It is a d-powerful number, because it can be written as 7⁶ + 2¹³ + 4³ + 9⁴ + 4⁸ + 3¹² .

It is a Duffinian number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 729443.

It is not an unprimeable number, because it can be changed into a prime (729403) 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, 2408 + ... + 2693.

It is an arithmetic number, because the mean of its divisors is an integer number (107142).

2⁷²⁹⁴⁴³ is an apocalyptic number.

729443 is a deficient number, since it is larger than the sum of its proper divisors (127693).

729443 is a wasteful number, since it uses less digits than its factorization.

729443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5125.

The product of its digits is 6048, while the sum is 29.

The square root of 729443 is about 854.0743527352. The cubic root of 729443 is about 90.0182267611.

It can be divided in two parts, 7294 and 43, that added together give a palindrome (7337).

The spelling of 729443 in words is "seven hundred twenty-nine thousand, four hundred forty-three".