791567 has 4 divisors (see below), whose sum is σ = 904656. Its totient is φ = 678480.

The previous prime is 791563. The next prime is 791569. The reversal of 791567 is 765197.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 765197 = 37 ⋅20681.

It is a cyclic number.

It is not a de Polignac number, because 791567 - 2² = 791563 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 (791561) 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, 56534 + ... + 56547.

It is an arithmetic number, because the mean of its divisors is an integer number (226164).

2⁷⁹¹⁵⁶⁷ is an apocalyptic number.

791567 is a deficient number, since it is larger than the sum of its proper divisors (113089).

791567 is a wasteful number, since it uses less digits than its factorization.

791567 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113088.

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

The square root of 791567 is about 889.7005114082. The cubic root of 791567 is about 92.5044361155.

The spelling of 791567 in words is "seven hundred ninety-one thousand, five hundred sixty-seven".