91264743 has 6 divisors (see below), whose sum is σ = 131826864. Its totient is φ = 60843156.

The previous prime is 91264727. The next prime is 91264751. The reversal of 91264743 is 34746219.

91264743 is a `hidden beast` number, since 9 + 1 + 2 + 647 + 4 + 3 = 666.

It is not a de Polignac number, because 91264743 - 2⁴ = 91264727 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91264698 and 91264707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91264343) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5070255 + ... + 5070272.

It is an arithmetic number, because the mean of its divisors is an integer number (21971144).

Almost surely, 2^91264743 is an apocalyptic number.

91264743 is a deficient number, since it is larger than the sum of its proper divisors (40562121).

91264743 is a wasteful number, since it uses less digits than its factorization.

91264743 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10140533 (or 10140530 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 91264743 is about 9553.2582399933. The cubic root of 91264743 is about 450.2299121439.

The spelling of 91264743 in words is "ninety-one million, two hundred sixty-four thousand, seven hundred forty-three".