729087 has 8 divisors (see below), whose sum is σ = 1023360. Its totient is φ = 460440.

The previous prime is 729073. The next prime is 729139. The reversal of 729087 is 780927.

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

It is not a de Polignac number, because 729087 - 2⁶ = 729023 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 729087.

It is not an unprimeable number, because it can be changed into a prime (729037) 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, 6339 + ... + 6452.

It is an arithmetic number, because the mean of its divisors is an integer number (127920).

2⁷²⁹⁰⁸⁷ is an apocalyptic number.

729087 is a deficient number, since it is larger than the sum of its proper divisors (294273).

729087 is a wasteful number, since it uses less digits than its factorization.

729087 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12813.

The product of its (nonzero) digits is 7056, while the sum is 33.

The square root of 729087 is about 853.8659145323. The cubic root of 729087 is about 90.0035801045.

The spelling of 729087 in words is "seven hundred twenty-nine thousand, eighty-seven".