729285 has 8 divisors (see below), whose sum is σ = 1166880. Its totient is φ = 388944.

The previous prime is 729271. The next prime is 729293. The reversal of 729285 is 582927.

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

It is not a de Polignac number, because 729285 - 2⁴ = 729269 is a prime.

It is a super-2 number, since 2×729285² = 1063713222450, which contains 22 as substring.

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, 24295 + ... + 24324.

It is an arithmetic number, because the mean of its divisors is an integer number (145860).

2⁷²⁹²⁸⁵ is an apocalyptic number.

It is an amenable number.

729285 is a deficient number, since it is larger than the sum of its proper divisors (437595).

729285 is a wasteful number, since it uses less digits than its factorization.

729285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48627.

The product of its digits is 10080, while the sum is 33.

The square root of 729285 is about 853.9818499242. The cubic root of 729285 is about 90.0117268670.

It can be divided in two parts, 7 and 29285, that added together give a palindrome (29292).

The spelling of 729285 in words is "seven hundred twenty-nine thousand, two hundred eighty-five".