729244 has 12 divisors (see below), whose sum is σ = 1317568. Its totient is φ = 352800.

The previous prime is 729217. The next prime is 729257. The reversal of 729244 is 442927.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2817 + ... + 3064.

2⁷²⁹²⁴⁴ is an apocalyptic number.

It is an amenable number.

729244 is a deficient number, since it is larger than the sum of its proper divisors (588324).

729244 is a wasteful number, since it uses less digits than its factorization.

729244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5916 (or 5914 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 729244 is about 853.9578443928. The cubic root of 729244 is about 90.0100400322.

It can be divided in two parts, 72 and 9244, that added together give a triangular number (9316 = T₁₃₆).

The spelling of 729244 in words is "seven hundred twenty-nine thousand, two hundred forty-four".