91706417 has 8 divisors (see below), whose sum is σ = 100113312. Its totient is φ = 83311200.

The previous prime is 91706341. The next prime is 91706437. The reversal of 91706417 is 71460719.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-91706417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91706437) 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, 26078 + ... + 29384.

It is an arithmetic number, because the mean of its divisors is an integer number (12514164).

Almost surely, 2^91706417 is an apocalyptic number.

It is an amenable number.

91706417 is a deficient number, since it is larger than the sum of its proper divisors (8406895).

91706417 is a wasteful number, since it uses less digits than its factorization.

91706417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5839.

The product of its (nonzero) digits is 10584, while the sum is 35.

The square root of 91706417 is about 9576.3467460196. The cubic root of 91706417 is about 450.9550367087.

The spelling of 91706417 in words is "ninety-one million, seven hundred six thousand, four hundred seventeen".