91740488273 has 8 divisors (see below), whose sum is σ = 106411142592. Its totient is φ = 77461051536.

The previous prime is 91740488249. The next prime is 91740488297. The reversal of 91740488273 is 37288404719.

It is an interprime number because it is at equal distance from previous prime (91740488249) and next prime (91740488297).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 91740488273 - 2⁶ = 91740488209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91740488243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97803890 + ... + 97804827.

It is an arithmetic number, because the mean of its divisors is an integer number (13301392824).

Almost surely, 2^91740488273 is an apocalyptic number.

It is an amenable number.

91740488273 is a deficient number, since it is larger than the sum of its proper divisors (14670654319).

91740488273 is a wasteful number, since it uses less digits than its factorization.

91740488273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195608791.

The product of its (nonzero) digits is 2709504, while the sum is 53.

The spelling of 91740488273 in words is "ninety-one billion, seven hundred forty million, four hundred eighty-eight thousand, two hundred seventy-three".