82318173 has 32 divisors (see below), whose sum is σ = 131991552. Its totient is φ = 44616000.

The previous prime is 82318151. The next prime is 82318189. The reversal of 82318173 is 37181328.

It is not a de Polignac number, because 82318173 - 2⁶ = 82318109 is a prime.

It is a super-3 number, since 3×82318173³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82318123) 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 in 31 ways as a sum of consecutive naturals, for example, 62623 + ... + 63923.

It is an arithmetic number, because the mean of its divisors is an integer number (4124736).

Almost surely, 2^82318173 is an apocalyptic number.

It is an amenable number.

82318173 is a deficient number, since it is larger than the sum of its proper divisors (49673379).

82318173 is a wasteful number, since it uses less digits than its factorization.

82318173 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1465.

The product of its digits is 8064, while the sum is 33.

The square root of 82318173 is about 9072.9362942765. The cubic root of 82318173 is about 435.0093326046.

The spelling of 82318173 in words is "eighty-two million, three hundred eighteen thousand, one hundred seventy-three".