91744343 has 2 divisors, whose sum is σ = 91744344. Its totient is φ = 91744342.

The previous prime is 91744321. The next prime is 91744381. The reversal of 91744343 is 34344719.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 91744343 - 2¹⁰ = 91743319 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91741343) by changing a digit.

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 as a sum of consecutive naturals, namely, 45872171 + 45872172.

It is an arithmetic number, because the mean of its divisors is an integer number (45872172).

Almost surely, 2^91744343 is an apocalyptic number.

91744343 is a deficient number, since it is larger than the sum of its proper divisors (1).

91744343 is an equidigital number, since it uses as much as digits as its factorization.

91744343 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 35.

The square root of 91744343 is about 9578.3267327858. The cubic root of 91744343 is about 451.0171936225.

The spelling of 91744343 in words is "ninety-one million, seven hundred forty-four thousand, three hundred forty-three".