82727020 has 12 divisors (see below), whose sum is σ = 173726784. Its totient is φ = 33090800.

The previous prime is 82727017. The next prime is 82727023. The reversal of 82727020 is 2072728.

It is an interprime number because it is at equal distance from previous prime (82727017) and next prime (82727023).

It is a self number, because there is not a number n which added to its sum of digits gives 82727020.

It is not an unprimeable number, because it can be changed into a prime (82727023) 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 3 ways as a sum of consecutive naturals, for example, 2068156 + ... + 2068195.

It is an arithmetic number, because the mean of its divisors is an integer number (14477232).

Almost surely, 2^82727020 is an apocalyptic number.

It is an amenable number.

82727020 is an abundant number, since it is smaller than the sum of its proper divisors (90999764).

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

82727020 is a wasteful number, since it uses less digits than its factorization.

82727020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4136360 (or 4136358 counting only the distinct ones).

The product of its (nonzero) digits is 3136, while the sum is 28.

The square root of 82727020 is about 9095.4395165929. The cubic root of 82727020 is about 435.7283258296.

Adding to 82727020 its reverse (2072728), we get a palindrome (84799748).

The spelling of 82727020 in words is "eighty-two million, seven hundred twenty-seven thousand, twenty".