91205675 has 24 divisors (see below), whose sum is σ = 125422032. Its totient is φ = 65232000.

The previous prime is 91205671. The next prime is 91205713. The reversal of 91205675 is 57650219.

It is not a de Polignac number, because 91205675 - 2² = 91205671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91205671) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14057 + ... + 19493.

It is an arithmetic number, because the mean of its divisors is an integer number (5225918).

Almost surely, 2^91205675 is an apocalyptic number.

91205675 is a deficient number, since it is larger than the sum of its proper divisors (34216357).

91205675 is a wasteful number, since it uses less digits than its factorization.

91205675 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5519 (or 5514 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 35.

The square root of 91205675 is about 9550.1662289198. The cubic root of 91205675 is about 450.1327591834.

The spelling of 91205675 in words is "ninety-one million, two hundred five thousand, six hundred seventy-five".