82420360 has 48 divisors (see below), whose sum is σ = 203849100. Its totient is φ = 29969280.

The previous prime is 82420357. The next prime is 82420381. The reversal of 82420360 is 6302428.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 81757764 + 662596 = 9042^2 + 814^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3675 + ... + 13354.

Almost surely, 2^82420360 is an apocalyptic number.

It is an amenable number.

82420360 is an abundant number, since it is smaller than the sum of its proper divisors (121428740).

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

82420360 is a wasteful number, since it uses less digits than its factorization.

82420360 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17062 (or 17047 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 82420360 is about 9078.5659660543. The cubic root of 82420360 is about 435.1892601381.

Adding to 82420360 its reverse (6302428), we get a palindrome (88722788).

The spelling of 82420360 in words is "eighty-two million, four hundred twenty thousand, three hundred sixty".