728114 has 8 divisors (see below), whose sum is σ = 1112940. Its totient is φ = 357136.

The previous prime is 728113. The next prime is 728129. The reversal of 728114 is 411827.

It can be written as a sum of positive squares in 2 ways, for example, as 693889 + 34225 = 833^2 + 185^2 .

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

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 728114.

It is not an unprimeable number, because it can be changed into a prime (728113) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3329 + ... + 3540.

2⁷²⁸¹¹⁴ is an apocalyptic number.

728114 is a deficient number, since it is larger than the sum of its proper divisors (384826).

728114 is a wasteful number, since it uses less digits than its factorization.

728114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924.

The product of its digits is 448, while the sum is 23.

The square root of 728114 is about 853.2959627234. The cubic root of 728114 is about 89.9635243136.

The spelling of 728114 in words is "seven hundred twenty-eight thousand, one hundred fourteen".