91375017 has 16 divisors (see below), whose sum is σ = 129330432. Its totient is φ = 57186560.

The previous prime is 91374979. The next prime is 91375033. The reversal of 91375017 is 71057319.

It is a cyclic number.

It is not a de Polignac number, because 91375017 - 2⁶ = 91374953 is a prime.

It is not an unprimeable number, because it can be changed into a prime (91375217) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19903 + ... + 24059.

It is an arithmetic number, because the mean of its divisors is an integer number (8083152).

Almost surely, 2^91375017 is an apocalyptic number.

It is an amenable number.

91375017 is a deficient number, since it is larger than the sum of its proper divisors (37955415).

91375017 is a wasteful number, since it uses less digits than its factorization.

91375017 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4608.

The product of its (nonzero) digits is 6615, while the sum is 33.

The square root of 91375017 is about 9559.0280363644. The cubic root of 91375017 is about 450.4111748035.

The spelling of 91375017 in words is "ninety-one million, three hundred seventy-five thousand, seventeen".