82032740 has 24 divisors (see below), whose sum is σ = 172481400. Its totient is φ = 32772608.

The previous prime is 82032707. The next prime is 82032751. The reversal of 82032740 is 4723028.

It can be written as a sum of positive squares in 4 ways, for example, as 2715904 + 79316836 = 1648^2 + 8906^2 .

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 18236 + ... + 22284.

It is an arithmetic number, because the mean of its divisors is an integer number (7186725).

Almost surely, 2^82032740 is an apocalyptic number.

It is an amenable number.

82032740 is an abundant number, since it is smaller than the sum of its proper divisors (90448660).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82032740 is a wasteful number, since it uses less digits than its factorization.

82032740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5071 (or 5069 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 82032740 is about 9057.1927218096. The cubic root of 82032740 is about 434.5059613401.

Adding to 82032740 its reverse (4723028), we get a palindrome (86755768).

The spelling of 82032740 in words is "eighty-two million, thirty-two thousand, seven hundred forty".