91347082 has 4 divisors (see below), whose sum is σ = 137020626. Its totient is φ = 45673540.

The previous prime is 91347031. The next prime is 91347089. The reversal of 91347082 is 28074319.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 75498721 + 15848361 = 8689^2 + 3981^2 .

It is not an unprimeable number, because it can be changed into a prime (91347089) 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 as a sum of consecutive naturals, namely, 22836769 + ... + 22836772.

Almost surely, 2^91347082 is an apocalyptic number.

91347082 is a deficient number, since it is larger than the sum of its proper divisors (45673544).

91347082 is a wasteful number, since it uses less digits than its factorization.

91347082 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45673543.

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 91347082 is about 9557.5667405465. The cubic root of 91347082 is about 450.3652705034.

The spelling of 91347082 in words is "ninety-one million, three hundred forty-seven thousand, eighty-two".