91273 has 16 divisors (see below), whose sum is σ = 120960. Its totient is φ = 66816.

The previous prime is 91253. The next prime is 91283. The reversal of 91273 is 37219.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91273 is a prime.

91273 is a modest number, since divided by 273 gives 91 as remainder.

It is not an unprimeable number, because it can be changed into a prime (91243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1518 + ... + 1576.

It is an arithmetic number, because the mean of its divisors is an integer number (7560).

2⁹¹²⁷³ is an apocalyptic number.

It is an amenable number.

91273 is a deficient number, since it is larger than the sum of its proper divisors (29687).

91273 is a wasteful number, since it uses less digits than its factorization.

91273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96.

The product of its digits is 378, while the sum is 22.

The square root of 91273 is about 302.1142168121. The cubic root of 91273 is about 45.0243489626.

The spelling of 91273 in words is "ninety-one thousand, two hundred seventy-three".