91374343 has 2 divisors, whose sum is σ = 91374344. Its totient is φ = 91374342.

The previous prime is 91374317. The next prime is 91374347. The reversal of 91374343 is 34347319.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (34347319) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91374343 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 91374299 and 91374308.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91374347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45687171 + 45687172.

It is an arithmetic number, because the mean of its divisors is an integer number (45687172).

Almost surely, 2^91374343 is an apocalyptic number.

91374343 is a deficient number, since it is larger than the sum of its proper divisors (1).

91374343 is an equidigital number, since it uses as much as digits as its factorization.

91374343 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27216, while the sum is 34.

The square root of 91374343 is about 9558.9927816690. The cubic root of 91374343 is about 450.4100673604.

The spelling of 91374343 in words is "ninety-one million, three hundred seventy-four thousand, three hundred forty-three".