729245 has 8 divisors (see below), whose sum is σ = 954720. Its totient is φ = 530320.

The previous prime is 729217. The next prime is 729257. The reversal of 729245 is 542927.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 729245 - 2¹² = 725149 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6575 + ... + 6684.

It is an arithmetic number, because the mean of its divisors is an integer number (119340).

2⁷²⁹²⁴⁵ is an apocalyptic number.

It is an amenable number.

729245 is a deficient number, since it is larger than the sum of its proper divisors (225475).

729245 is a wasteful number, since it uses less digits than its factorization.

729245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13275.

The product of its digits is 5040, while the sum is 29.

The square root of 729245 is about 853.9584299016. The cubic root of 729245 is about 90.0100811753.

It can be divided in two parts, 7292 and 45, that added together give a palindrome (7337).

The spelling of 729245 in words is "seven hundred twenty-nine thousand, two hundred forty-five".