91832745 has 16 divisors (see below), whose sum is σ = 147127680. Its totient is φ = 48912384.

The previous prime is 91832711. The next prime is 91832747. The reversal of 91832745 is 54723819.

It is not a de Polignac number, because 91832745 - 2⁹ = 91832233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91832747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8937 + ... + 16233.

It is an arithmetic number, because the mean of its divisors is an integer number (9195480).

Almost surely, 2^91832745 is an apocalyptic number.

It is an amenable number.

91832745 is a deficient number, since it is larger than the sum of its proper divisors (55294935).

91832745 is a wasteful number, since it uses less digits than its factorization.

91832745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8144.

The product of its digits is 60480, while the sum is 39.

The square root of 91832745 is about 9582.9403107814. The cubic root of 91832745 is about 451.1620091733.

The spelling of 91832745 in words is "ninety-one million, eight hundred thirty-two thousand, seven hundred forty-five".