791728 has 20 divisors (see below), whose sum is σ = 1753360. Its totient is φ = 339264.

The previous prime is 791699. The next prime is 791773. The reversal of 791728 is 827197.

It is a junction number, because it is equal to n+sod(n) for n = 791693 and 791702.

It is an unprimeable number.

791728 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3423 + ... + 3646.

It is an arithmetic number, because the mean of its divisors is an integer number (87668).

2⁷⁹¹⁷²⁸ is an apocalyptic number.

It is an amenable number.

791728 is an abundant number, since it is smaller than the sum of its proper divisors (961632).

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

791728 is a wasteful number, since it uses less digits than its factorization.

791728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7084 (or 7078 counting only the distinct ones).

The product of its digits is 7056, while the sum is 34.

The square root of 791728 is about 889.7909866929. The cubic root of 791728 is about 92.5107073069.

The spelling of 791728 in words is "seven hundred ninety-one thousand, seven hundred twenty-eight".