91736480 has 96 divisors (see below), whose sum is σ = 241678080. Its totient is φ = 32619520.

The previous prime is 91736479. The next prime is 91736521. The reversal of 91736480 is 8463719.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 82166 + ... + 83274.

It is an arithmetic number, because the mean of its divisors is an integer number (2517480).

Almost surely, 2^91736480 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 91736480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120839040).

91736480 is an abundant number, since it is smaller than the sum of its proper divisors (149941600).

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

91736480 is a wasteful number, since it uses less digits than its factorization.

91736480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1182 (or 1174 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 91736480 is about 9577.9162660779. The cubic root of 91736480 is about 451.0043083611.

The spelling of 91736480 in words is "ninety-one million, seven hundred thirty-six thousand, four hundred eighty".