91352273 has 8 divisors (see below), whose sum is σ = 92788896. Its totient is φ = 89920800.

The previous prime is 91352267. The next prime is 91352293. The reversal of 91352273 is 37225319.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91352273 - 2⁸ = 91352017 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (91352293) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49538 + ... + 51348.

It is an arithmetic number, because the mean of its divisors is an integer number (11598612).

Almost surely, 2^91352273 is an apocalyptic number.

It is an amenable number.

91352273 is a deficient number, since it is larger than the sum of its proper divisors (1436623).

91352273 is a wasteful number, since it uses less digits than its factorization.

91352273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2575.

The product of its digits is 11340, while the sum is 32.

The square root of 91352273 is about 9557.8383016245. The cubic root of 91352273 is about 450.3738013427.

The spelling of 91352273 in words is "ninety-one million, three hundred fifty-two thousand, two hundred seventy-three".