729160 has 16 divisors (see below), whose sum is σ = 1640700. Its totient is φ = 291648.

The previous prime is 729143. The next prime is 729173. The reversal of 729160 is 61927.

It can be written as a sum of positive squares in 2 ways, for example, as 662596 + 66564 = 814^2 + 258^2 .

It is an unprimeable number.

729160 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9075 + ... + 9154.

2⁷²⁹¹⁶⁰ is an apocalyptic number.

It is an amenable number.

729160 is an abundant number, since it is smaller than the sum of its proper divisors (911540).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

729160 is a wasteful number, since it uses less digits than its factorization.

729160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18240 (or 18236 counting only the distinct ones).

The product of its (nonzero) digits is 756, while the sum is 25.

The square root of 729160 is about 853.9086602208. The cubic root of 729160 is about 90.0065838805.

The spelling of 729160 in words is "seven hundred twenty-nine thousand, one hundred sixty".