91475 has 6 divisors (see below), whose sum is σ = 113460. Its totient is φ = 73160.

The previous prime is 91463. The next prime is 91493. The reversal of 91475 is 57419.

It is not a de Polignac number, because 91475 - 2⁴ = 91459 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 91475.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1805 + ... + 1854.

It is an arithmetic number, because the mean of its divisors is an integer number (18910).

2⁹¹⁴⁷⁵ is an apocalyptic number.

91475 is a deficient number, since it is larger than the sum of its proper divisors (21985).

91475 is a wasteful number, since it uses less digits than its factorization.

91475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3669 (or 3664 counting only the distinct ones).

The product of its digits is 1260, while the sum is 26.

The square root of 91475 is about 302.4483426967. The cubic root of 91475 is about 45.0575395640.

It can be divided in two parts, 914 and 75, that added together give a palindrome (989).

The spelling of 91475 in words is "ninety-one thousand, four hundred seventy-five".