82003170 has 32 divisors (see below), whose sum is σ = 199184832. Its totient is φ = 21603392.

The previous prime is 82003169. The next prime is 82003171. The reversal of 82003170 is 7130028.

It is an interprime number because it is at equal distance from previous prime (82003169) and next prime (82003171).

It is not an unprimeable number, because it can be changed into a prime (82003171) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13977 + ... + 18956.

It is an arithmetic number, because the mean of its divisors is an integer number (6224526).

Almost surely, 2^82003170 is an apocalyptic number.

82003170 is an abundant number, since it is smaller than the sum of its proper divisors (117181662).

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

82003170 is a wasteful number, since it uses less digits than its factorization.

82003170 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33026.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 82003170 is about 9055.5601704146. The cubic root of 82003170 is about 434.4537468813.

Adding to 82003170 its reverse (7130028), we get a palindrome (89133198).

The spelling of 82003170 in words is "eighty-two million, three thousand, one hundred seventy".