91368727 has 8 divisors (see below), whose sum is σ = 97097616. Its totient is φ = 85679232.

The previous prime is 91368721. The next prime is 91368779. The reversal of 91368727 is 72786319.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91368727 - 2¹¹ = 91366679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91368721) 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, 4993 + ... + 14410.

It is an arithmetic number, because the mean of its divisors is an integer number (12137202).

Almost surely, 2^91368727 is an apocalyptic number.

91368727 is a deficient number, since it is larger than the sum of its proper divisors (5728889).

91368727 is a wasteful number, since it uses less digits than its factorization.

91368727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19697.

The product of its digits is 127008, while the sum is 43.

The square root of 91368727 is about 9558.6990223565. The cubic root of 91368727 is about 450.4008395521.

The spelling of 91368727 in words is "ninety-one million, three hundred sixty-eight thousand, seven hundred twenty-seven".