91115674 has 12 divisors (see below), whose sum is σ = 147996126. Its totient is φ = 42053232.

The previous prime is 91115669. The next prime is 91115683. The reversal of 91115674 is 47651119.

It can be written as a sum of positive squares in 3 ways, for example, as 46826649 + 44289025 = 6843^2 + 6655^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 134449 + ... + 135124.

Almost surely, 2^91115674 is an apocalyptic number.

91115674 is a deficient number, since it is larger than the sum of its proper divisors (56880452).

91115674 is a wasteful number, since it uses less digits than its factorization.

91115674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 269601 (or 269588 counting only the distinct ones).

The product of its digits is 7560, while the sum is 34.

The square root of 91115674 is about 9545.4530536795. The cubic root of 91115674 is about 449.9846480359.

The spelling of 91115674 in words is "ninety-one million, one hundred fifteen thousand, six hundred seventy-four".