729044 has 6 divisors (see below), whose sum is σ = 1275834. Its totient is φ = 364520.

The previous prime is 729041. The next prime is 729059. The reversal of 729044 is 440927.

It can be written as a sum of positive squares in only one way, i.e., 672400 + 56644 = 820^2 + 238^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (729041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 91127 + ... + 91134.

It is an arithmetic number, because the mean of its divisors is an integer number (212639).

2⁷²⁹⁰⁴⁴ is an apocalyptic number.

It is an amenable number.

729044 is a deficient number, since it is larger than the sum of its proper divisors (546790).

729044 is a wasteful number, since it uses less digits than its factorization.

729044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182265 (or 182263 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 729044 is about 853.8407345635. The cubic root of 729044 is about 90.0018106632.

The spelling of 729044 in words is "seven hundred twenty-nine thousand, forty-four".