675791 has 4 divisors (see below), whose sum is σ = 682584. Its totient is φ = 669000.

The previous prime is 675781. The next prime is 675797. The reversal of 675791 is 197576.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 675791 - 2¹⁰ = 674767 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3245 + ... + 3446.

It is an arithmetic number, because the mean of its divisors is an integer number (170646).

2⁶⁷⁵⁷⁹¹ is an apocalyptic number.

675791 is a deficient number, since it is larger than the sum of its proper divisors (6793).

675791 is a wasteful number, since it uses less digits than its factorization.

675791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6792.

The product of its digits is 13230, while the sum is 35.

The square root of 675791 is about 822.0650825817. The cubic root of 675791 is about 87.7547839265.

The spelling of 675791 in words is "six hundred seventy-five thousand, seven hundred ninety-one".