91095673 has 4 divisors (see below), whose sum is σ = 96454260. Its totient is φ = 85737088.

The previous prime is 91095643. The next prime is 91095677. The reversal of 91095673 is 37659019.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37659019 = 3911 ⋅9629.

It can be written as a sum of positive squares in 2 ways, for example, as 83411689 + 7683984 = 9133^2 + 2772^2 .

It is a cyclic number.

It is not a de Polignac number, because 91095673 - 2²¹ = 88998521 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91095677) 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, 2679268 + ... + 2679301.

It is an arithmetic number, because the mean of its divisors is an integer number (24113565).

Almost surely, 2^91095673 is an apocalyptic number.

It is an amenable number.

91095673 is a deficient number, since it is larger than the sum of its proper divisors (5358587).

91095673 is a wasteful number, since it uses less digits than its factorization.

91095673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358586.

The product of its (nonzero) digits is 51030, while the sum is 40.

The square root of 91095673 is about 9544.4053245868. The cubic root of 91095673 is about 449.9517199231.

The spelling of 91095673 in words is "ninety-one million, ninety-five thousand, six hundred seventy-three".