91067382 has 96 divisors (see below), whose sum is σ = 238141440. Its totient is φ = 25719120.

The previous prime is 91067359. The next prime is 91067407. The reversal of 91067382 is 28376019.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 335907 + ... + 336177.

It is an arithmetic number, because the mean of its divisors is an integer number (2480640).

Almost surely, 2^91067382 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 91067382, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119070720).

91067382 is an abundant number, since it is smaller than the sum of its proper divisors (147074058).

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

91067382 is a wasteful number, since it uses less digits than its factorization.

91067382 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423 (or 410 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 91067382 is about 9542.9231370686. The cubic root of 91067382 is about 449.9051355586.

The spelling of 91067382 in words is "ninety-one million, sixty-seven thousand, three hundred eighty-two".