729079 has 8 divisors (see below), whose sum is σ = 831600. Its totient is φ = 633216.

The previous prime is 729073. The next prime is 729139. The reversal of 729079 is 970927.

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

It is not a de Polignac number, because 729079 - 2¹³ = 720887 is a prime.

It is a Duffinian number.

729079 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729073) 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, 1429 + ... + 1870.

It is an arithmetic number, because the mean of its divisors is an integer number (103950).

2⁷²⁹⁰⁷⁹ is an apocalyptic number.

729079 is a deficient number, since it is larger than the sum of its proper divisors (102521).

729079 is a wasteful number, since it uses less digits than its factorization.

729079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3329.

The product of its (nonzero) digits is 7938, while the sum is 34.

The square root of 729079 is about 853.8612299431. The cubic root of 729079 is about 90.0032509114.

The spelling of 729079 in words is "seven hundred twenty-nine thousand, seventy-nine".