91675705 has 16 divisors (see below), whose sum is σ = 120201408. Its totient is φ = 66568000.

The previous prime is 91675693. The next prime is 91675729. The reversal of 91675705 is 50757619.

It is not a de Polignac number, because 91675705 - 2²¹ = 89578553 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57570 + ... + 59140.

It is an arithmetic number, because the mean of its divisors is an integer number (7512588).

Almost surely, 2^91675705 is an apocalyptic number.

It is an amenable number.

91675705 is a deficient number, since it is larger than the sum of its proper divisors (28525703).

91675705 is a wasteful number, since it uses less digits than its factorization.

91675705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2648.

The product of its (nonzero) digits is 66150, while the sum is 40.

The square root of 91675705 is about 9574.7430774930. The cubic root of 91675705 is about 450.9046902593.

The spelling of 91675705 in words is "ninety-one million, six hundred seventy-five thousand, seven hundred five".