82746317 has 4 divisors (see below), whose sum is σ = 84102876. Its totient is φ = 81389760.

The previous prime is 82746289. The next prime is 82746337. The reversal of 82746317 is 71364728.

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

It can be written as a sum of positive squares in 2 ways, for example, as 26481316 + 56265001 = 5146^2 + 7501^2 .

It is a cyclic number.

It is not a de Polignac number, because 82746317 - 2¹² = 82742221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82746337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 678188 + ... + 678309.

It is an arithmetic number, because the mean of its divisors is an integer number (21025719).

Almost surely, 2^82746317 is an apocalyptic number.

It is an amenable number.

82746317 is a deficient number, since it is larger than the sum of its proper divisors (1356559).

82746317 is a wasteful number, since it uses less digits than its factorization.

82746317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1356558.

The product of its digits is 56448, while the sum is 38.

The square root of 82746317 is about 9096.5002610894. The cubic root of 82746317 is about 435.7622026927.

The spelling of 82746317 in words is "eighty-two million, seven hundred forty-six thousand, three hundred seventeen".