82732731 has 16 divisors (see below), whose sum is σ = 113494656. Its totient is φ = 53577216.

The previous prime is 82732717. The next prime is 82732733. The reversal of 82732731 is 13723728.

It is not a de Polignac number, because 82732731 - 2⁷ = 82732603 is a prime.

It is a super-2 number, since 2×82732731² = 13689409557436722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 82732692 and 82732701.

It is not an unprimeable number, because it can be changed into a prime (82732733) 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 15 ways as a sum of consecutive naturals, for example, 23236 + ... + 26558.

It is an arithmetic number, because the mean of its divisors is an integer number (7093416).

Almost surely, 2^82732731 is an apocalyptic number.

82732731 is a deficient number, since it is larger than the sum of its proper divisors (30761925).

82732731 is a wasteful number, since it uses less digits than its factorization.

82732731 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562.

The product of its digits is 14112, while the sum is 33.

The square root of 82732731 is about 9095.7534597195. The cubic root of 82732731 is about 435.7383523288.

The spelling of 82732731 in words is "eighty-two million, seven hundred thirty-two thousand, seven hundred thirty-one".