91344715 has 24 divisors (see below), whose sum is σ = 137702880. Its totient is φ = 56939520.

The previous prime is 91344709. The next prime is 91344719. The reversal of 91344715 is 51744319.

It is not a de Polignac number, because 91344715 - 2⁹ = 91344203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91344719) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6550 + ... + 15019.

It is an arithmetic number, because the mean of its divisors is an integer number (5737620).

Almost surely, 2^91344715 is an apocalyptic number.

91344715 is a deficient number, since it is larger than the sum of its proper divisors (46358165).

91344715 is a wasteful number, since it uses less digits than its factorization.

91344715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21603 (or 21592 counting only the distinct ones).

The product of its digits is 15120, while the sum is 34.

The square root of 91344715 is about 9557.4429111557. The cubic root of 91344715 is about 450.3613804912.

The spelling of 91344715 in words is "ninety-one million, three hundred forty-four thousand, seven hundred fifteen".