91465760 has 48 divisors (see below), whose sum is σ = 220703616. Its totient is φ = 35804928.

The previous prime is 91465727. The next prime is 91465769. The reversal of 91465760 is 6756419.

It is not an unprimeable number, because it can be changed into a prime (91465769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1439 + ... + 13601.

It is an arithmetic number, because the mean of its divisors is an integer number (4597992).

Almost surely, 2^91465760 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91465760, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110351808).

91465760 is an abundant number, since it is smaller than the sum of its proper divisors (129237856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

91465760 is a wasteful number, since it uses less digits than its factorization.

91465760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12225 (or 12217 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 38.

The square root of 91465760 is about 9563.7733139175. The cubic root of 91465760 is about 450.5602240746.

The spelling of 91465760 in words is "ninety-one million, four hundred sixty-five thousand, seven hundred sixty".