82570 has 16 divisors (see below), whose sum is σ = 155520. Its totient is φ = 31504.

The previous prime is 82567. The next prime is 82571. The reversal of 82570 is 7528.

82570 is nontrivially palindromic in base 3.

It is not an unprimeable number, because it can be changed into a prime (82571) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51 + ... + 409.

It is an arithmetic number, because the mean of its divisors is an integer number (9720).

2⁸²⁵⁷⁰ is an apocalyptic number.

82570 is a deficient number, since it is larger than the sum of its proper divisors (72950).

82570 is a wasteful number, since it uses less digits than its factorization.

82570 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 389.

The product of its (nonzero) digits is 560, while the sum is 22.

The square root of 82570 is about 287.3499608491. The cubic root of 82570 is about 43.5452473215.

The spelling of 82570 in words is "eighty-two thousand, five hundred seventy".