107691 has 4 divisors (see below), whose sum is σ = 143592. Its totient is φ = 71792.

The previous prime is 107687. The next prime is 107693. The reversal of 107691 is 196701.

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 107691 - 2² = 107687 is a prime.

It is a D-number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 107691.

It is not an unprimeable number, because it can be changed into a prime (107693) 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, 17946 + ... + 17951.

It is an arithmetic number, because the mean of its divisors is an integer number (35898).

2¹⁰⁷⁶⁹¹ is an apocalyptic number.

107691 is a deficient number, since it is larger than the sum of its proper divisors (35901).

107691 is an equidigital number, since it uses as much as digits as its factorization.

107691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35900.

The product of its (nonzero) digits is 378, while the sum is 24.

The square root of 107691 is about 328.1630692202. The cubic root of 107691 is about 47.5765708675.

It can be divided in two parts, 107 and 691, that multiplied together give a palindrome (73937).

The spelling of 107691 in words is "one hundred seven thousand, six hundred ninety-one".