91734901 has 2 divisors, whose sum is σ = 91734902. Its totient is φ = 91734900.

The previous prime is 91734889. The next prime is 91734913. The reversal of 91734901 is 10943719.

It is a balanced prime because it is at equal distance from previous prime (91734889) and next prime (91734913).

It can be written as a sum of positive squares in only one way, i.e., 66994225 + 24740676 = 8185^2 + 4974^2 .

It is an emirp because it is prime and its reverse (10943719) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 91734901 - 2⁹ = 91734389 is a prime.

It is a super-2 number, since 2×91734901² = 16830584122959602, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91734961) 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, 45867450 + 45867451.

It is an arithmetic number, because the mean of its divisors is an integer number (45867451).

Almost surely, 2^91734901 is an apocalyptic number.

It is an amenable number.

91734901 is a deficient number, since it is larger than the sum of its proper divisors (1).

91734901 is an equidigital number, since it uses as much as digits as its factorization.

91734901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 91734901 is about 9577.8338365207. The cubic root of 91734901 is about 451.0017207323.

The spelling of 91734901 in words is "ninety-one million, seven hundred thirty-four thousand, nine hundred one".