728682 has 8 divisors (see below), whose sum is σ = 1457376. Its totient is φ = 242892.

The previous prime is 728681. The next prime is 728687. The reversal of 728682 is 286827.

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

728682 is an admirable number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 728682.

It is not an unprimeable number, because it can be changed into a prime (728681) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60718 + ... + 60729.

It is an arithmetic number, because the mean of its divisors is an integer number (182172).

2⁷²⁸⁶⁸² is an apocalyptic number.

728682 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728682 is a wasteful number, since it uses less digits than its factorization.

728682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121452.

The product of its digits is 10752, while the sum is 33.

The square root of 728682 is about 853.6287249150. The cubic root of 728682 is about 89.9869116770.

The spelling of 728682 in words is "seven hundred twenty-eight thousand, six hundred eighty-two".