728195 has 16 divisors (see below), whose sum is σ = 997920. Its totient is φ = 505344.

The previous prime is 728191. The next prime is 728207. The reversal of 728195 is 591827.

It is a cyclic number.

It is not a de Polignac number, because 728195 - 2² = 728191 is a prime.

It is not an unprimeable number, because it can be changed into a prime (728191) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 776 + ... + 1434.

It is an arithmetic number, because the mean of its divisors is an integer number (62370).

2⁷²⁸¹⁹⁵ is an apocalyptic number.

728195 is a deficient number, since it is larger than the sum of its proper divisors (269725).

728195 is a wasteful number, since it uses less digits than its factorization.

728195 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 694.

The product of its digits is 5040, while the sum is 32.

The square root of 728195 is about 853.3434244195. The cubic root of 728195 is about 89.9668602268.

The spelling of 728195 in words is "seven hundred twenty-eight thousand, one hundred ninety-five".