91063726 has 16 divisors (see below), whose sum is σ = 147264768. Its totient is φ = 41983200.

The previous prime is 91063691. The next prime is 91063729. The reversal of 91063726 is 62736019.

It is a junction number, because it is equal to n+sod(n) for n = 91063691 and 91063700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91063729) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37056 + ... + 39436.

It is an arithmetic number, because the mean of its divisors is an integer number (9204048).

Almost surely, 2^91063726 is an apocalyptic number.

91063726 is a deficient number, since it is larger than the sum of its proper divisors (56201042).

91063726 is a wasteful number, since it uses less digits than its factorization.

91063726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3867.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 91063726 is about 9542.7315795845. The cubic root of 91063726 is about 449.8991148329.

The spelling of 91063726 in words is "ninety-one million, sixty-three thousand, seven hundred twenty-six".