91380682 has 16 divisors (see below), whose sum is σ = 142187400. Its totient is φ = 43993600.

The previous prime is 91380649. The next prime is 91380701. The reversal of 91380682 is 28608319.

It can be written as a sum of positive squares in 4 ways, for example, as 86322681 + 5058001 = 9291^2 + 2249^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21294 + ... + 25222.

Almost surely, 2^91380682 is an apocalyptic number.

91380682 is a deficient number, since it is larger than the sum of its proper divisors (50806718).

91380682 is a wasteful number, since it uses less digits than its factorization.

91380682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4361.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 91380682 is about 9559.3243485092. The cubic root of 91380682 is about 450.4204826962.

The spelling of 91380682 in words is "ninety-one million, three hundred eighty thousand, six hundred eighty-two".