91667675 has 12 divisors (see below), whose sum is σ = 124001736. Its totient is φ = 66667200.

The previous prime is 91667671. The next prime is 91667717. The reversal of 91667675 is 57676619.

It is a happy number.

It is not a de Polignac number, because 91667675 - 2² = 91667671 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (91667671) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 166394 + ... + 166943.

It is an arithmetic number, because the mean of its divisors is an integer number (10333478).

Almost surely, 2^91667675 is an apocalyptic number.

91667675 is a deficient number, since it is larger than the sum of its proper divisors (32334061).

91667675 is a wasteful number, since it uses less digits than its factorization.

91667675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 333358 (or 333353 counting only the distinct ones).

The product of its digits is 476280, while the sum is 47.

The square root of 91667675 is about 9574.3237359095. The cubic root of 91667675 is about 450.8915247560.

It can be divided in two parts, 91 and 667675, that added together give a palindrome (667766).

The spelling of 91667675 in words is "ninety-one million, six hundred sixty-seven thousand, six hundred seventy-five".