82732869 has 6 divisors (see below), whose sum is σ = 119503046. Its totient is φ = 55155240.

The previous prime is 82732849. The next prime is 82732883. The reversal of 82732869 is 96823728.

It can be written as a sum of positive squares in only one way, i.e., 48650625 + 34082244 = 6975^2 + 5838^2 .

It is a de Polignac number, because none of the positive numbers 2^k-82732869 is a prime.

It is a super-2 number, since 2×82732869² = 13689455225942322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82732849) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4596262 + ... + 4596279.

Almost surely, 2^82732869 is an apocalyptic number.

It is an amenable number.

82732869 is a deficient number, since it is larger than the sum of its proper divisors (36770177).

82732869 is a wasteful number, since it uses less digits than its factorization.

82732869 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9192547 (or 9192544 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 82732869 is about 9095.7610456740. The cubic root of 82732869 is about 435.7385946023.

The spelling of 82732869 in words is "eighty-two million, seven hundred thirty-two thousand, eight hundred sixty-nine".