82039570 has 16 divisors (see below), whose sum is σ = 147798720. Its totient is φ = 32787504.

The previous prime is 82039561. The next prime is 82039583. The reversal of 82039570 is 7593028.

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, 11779 + ... + 17401.

It is an arithmetic number, because the mean of its divisors is an integer number (9237420).

Almost surely, 2^82039570 is an apocalyptic number.

82039570 is a deficient number, since it is larger than the sum of its proper divisors (65759150).

82039570 is a wasteful number, since it uses less digits than its factorization.

82039570 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7089.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 82039570 is about 9057.5697623590. The cubic root of 82039570 is about 434.5180199131.

The spelling of 82039570 in words is "eighty-two million, thirty-nine thousand, five hundred seventy".