91480373 has 2 divisors, whose sum is σ = 91480374. Its totient is φ = 91480372.

The previous prime is 91480351. The next prime is 91480387. The reversal of 91480373 is 37308419.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 66699889 + 24780484 = 8167^2 + 4978^2 .

It is a cyclic number.

It is not a de Polignac number, because 91480373 - 2⁶ = 91480309 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (91480073) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 45740186 + 45740187.

It is an arithmetic number, because the mean of its divisors is an integer number (45740187).

Almost surely, 2^91480373 is an apocalyptic number.

It is an amenable number.

91480373 is a deficient number, since it is larger than the sum of its proper divisors (1).

91480373 is an equidigital number, since it uses as much as digits as its factorization.

91480373 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 18144, while the sum is 35.

The square root of 91480373 is about 9564.5372601083. The cubic root of 91480373 is about 450.5842173370.

The spelling of 91480373 in words is "ninety-one million, four hundred eighty thousand, three hundred seventy-three".