91373359 has 16 divisors (see below), whose sum is σ = 115856640. Its totient is φ = 69989760.

The previous prime is 91373353. The next prime is 91373369. The reversal of 91373359 is 95337319.

It is a cyclic number.

It is not a de Polignac number, because 91373359 - 2²¹ = 89276207 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 (91373353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5514 + ... + 14599.

It is an arithmetic number, because the mean of its divisors is an integer number (7241040).

Almost surely, 2^91373359 is an apocalyptic number.

91373359 is a deficient number, since it is larger than the sum of its proper divisors (24483281).

91373359 is a wasteful number, since it uses less digits than its factorization.

91373359 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20190.

The product of its digits is 76545, while the sum is 40.

The square root of 91373359 is about 9558.9413116725. The cubic root of 91373359 is about 450.4084505496.

The spelling of 91373359 in words is "ninety-one million, three hundred seventy-three thousand, three hundred fifty-nine".