729132 has 12 divisors (see below), whose sum is σ = 1701336. Its totient is φ = 243040.

The previous prime is 729073. The next prime is 729139. The reversal of 729132 is 231927.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (729139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30369 + ... + 30392.

It is an arithmetic number, because the mean of its divisors is an integer number (141778).

2⁷²⁹¹³² is an apocalyptic number.

It is an amenable number.

729132 is an abundant number, since it is smaller than the sum of its proper divisors (972204).

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

729132 is a wasteful number, since it uses less digits than its factorization.

729132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60768 (or 60766 counting only the distinct ones).

The product of its digits is 756, while the sum is 24.

The square root of 729132 is about 853.8922648672. The cubic root of 729132 is about 90.0054317709.

It can be divided in two parts, 729 and 132, that added together give a triangular number (861 = T₄₁).

The spelling of 729132 in words is "seven hundred twenty-nine thousand, one hundred thirty-two".