91362272 has 48 divisors (see below), whose sum is σ = 186988032. Its totient is φ = 43908480.

The previous prime is 91362259. The next prime is 91362283. The reversal of 91362272 is 27226319.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 91697 + ... + 92687.

It is an arithmetic number, because the mean of its divisors is an integer number (3895584).

Almost surely, 2^91362272 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 91362272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (93494016).

91362272 is an abundant number, since it is smaller than the sum of its proper divisors (95625760).

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

91362272 is a wasteful number, since it uses less digits than its factorization.

91362272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1111 (or 1103 counting only the distinct ones).

The product of its digits is 9072, while the sum is 32.

The square root of 91362272 is about 9558.3613658409. The cubic root of 91362272 is about 450.3902326921.

The spelling of 91362272 in words is "ninety-one million, three hundred sixty-two thousand, two hundred seventy-two".