729069 has 8 divisors (see below), whose sum is σ = 1060512. Its totient is φ = 441840.

The previous prime is 729059. The next prime is 729073. The reversal of 729069 is 960927.

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

It is not a de Polignac number, because 729069 - 2⁵ = 729037 is a prime.

It is a super-2 number, since 2×729069² = 1063083213522, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33), and also a Moran number because the ratio is a prime number: 22093 = 729069 / (7 + 2 + 9 + 0 + 6 + 9).

729069 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729019) 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, 11014 + ... + 11079.

It is an arithmetic number, because the mean of its divisors is an integer number (132564).

2⁷²⁹⁰⁶⁹ is an apocalyptic number.

It is an amenable number.

729069 is a deficient number, since it is larger than the sum of its proper divisors (331443).

729069 is a wasteful number, since it uses less digits than its factorization.

729069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22107.

The product of its (nonzero) digits is 6804, while the sum is 33.

The square root of 729069 is about 853.8553741706. The cubic root of 729069 is about 90.0028394166.

The spelling of 729069 in words is "seven hundred twenty-nine thousand, sixty-nine".