727489 has 8 divisors (see below), whose sum is σ = 840320. Its totient is φ = 616896.

The previous prime is 727487. The next prime is 727499. The reversal of 727489 is 984727.

It is a happy number.

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

It is not a de Polignac number, because 727489 - 2¹ = 727487 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (727483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217 + ... + 1225.

It is an arithmetic number, because the mean of its divisors is an integer number (105040).

2⁷²⁷⁴⁸⁹ is an apocalyptic number.

It is an amenable number.

727489 is a deficient number, since it is larger than the sum of its proper divisors (112831).

727489 is a wasteful number, since it uses less digits than its factorization.

727489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1119.

The product of its digits is 28224, while the sum is 37.

The square root of 727489 is about 852.9296571230. The cubic root of 727489 is about 89.9377759196.

The spelling of 727489 in words is "seven hundred twenty-seven thousand, four hundred eighty-nine".