91674263 has 2 divisors, whose sum is σ = 91674264. Its totient is φ = 91674262.

The previous prime is 91674241. The next prime is 91674269. The reversal of 91674263 is 36247619.

It is a strong prime.

It is an emirp because it is prime and its reverse (36247619) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91674263 - 2⁸ = 91674007 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91674269) 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, 45837131 + 45837132.

It is an arithmetic number, because the mean of its divisors is an integer number (45837132).

Almost surely, 2^91674263 is an apocalyptic number.

91674263 is a deficient number, since it is larger than the sum of its proper divisors (1).

91674263 is an equidigital number, since it uses as much as digits as its factorization.

91674263 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 38.

The square root of 91674263 is about 9574.6677749152. The cubic root of 91674263 is about 450.9023260998.

The spelling of 91674263 in words is "ninety-one million, six hundred seventy-four thousand, two hundred sixty-three".