729895 has 16 divisors (see below), whose sum is σ = 960768. Its totient is φ = 529920.

The previous prime is 729877. The next prime is 729907. The reversal of 729895 is 598927.

729895 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 729895 - 2¹¹ = 727847 is a prime.

It is a super-2 number, since 2×729895² = 1065493422050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2497 + ... + 2773.

It is an arithmetic number, because the mean of its divisors is an integer number (60048).

2⁷²⁹⁸⁹⁵ is an apocalyptic number.

729895 is a deficient number, since it is larger than the sum of its proper divisors (230873).

729895 is a wasteful number, since it uses less digits than its factorization.

729895 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 330.

The product of its digits is 45360, while the sum is 40.

The square root of 729895 is about 854.3389257198. The cubic root of 729895 is about 90.0368162133.

The spelling of 729895 in words is "seven hundred twenty-nine thousand, eight hundred ninety-five".