91096272 has 80 divisors (see below), whose sum is σ = 262622080. Its totient is φ = 30233088.

The previous prime is 91096249. The next prime is 91096277. The reversal of 91096272 is 27269019.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91096277) 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 15 ways as a sum of consecutive naturals, for example, 186813 + ... + 187299.

It is an arithmetic number, because the mean of its divisors is an integer number (3282776).

Almost surely, 2^91096272 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 91096272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131311040).

91096272 is an abundant number, since it is smaller than the sum of its proper divisors (171525808).

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

91096272 is a wasteful number, since it uses less digits than its factorization.

91096272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937 (or 925 counting only the distinct ones).

The product of its (nonzero) digits is 13608, while the sum is 36.

The square root of 91096272 is about 9544.4367041748. The cubic root of 91096272 is about 449.9527061408.

The spelling of 91096272 in words is "ninety-one million, ninety-six thousand, two hundred seventy-two".