729272 has 8 divisors (see below), whose sum is σ = 1367400. Its totient is φ = 364632.

The previous prime is 729271. The next prime is 729293. The reversal of 729272 is 272927.

It is a tau number, because it is divible by the number of its divisors (8).

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45572 + ... + 45587.

It is an arithmetic number, because the mean of its divisors is an integer number (170925).

2⁷²⁹²⁷² is an apocalyptic number.

It is an amenable number.

729272 is a deficient number, since it is larger than the sum of its proper divisors (638128).

729272 is a wasteful number, since it uses less digits than its factorization.

729272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91165 (or 91161 counting only the distinct ones).

The product of its digits is 3528, while the sum is 29.

The square root of 729272 is about 853.9742384873. The cubic root of 729272 is about 90.0111920238.

It can be divided in two parts, 729 and 272, that added together give a palindrome (1001).

The spelling of 729272 in words is "seven hundred twenty-nine thousand, two hundred seventy-two".