82530370 has 32 divisors (see below), whose sum is σ = 165150720. Its totient is φ = 29488320.

The previous prime is 82530367. The next prime is 82530391. The reversal of 82530370 is 7303528.

It is a super-2 number, since 2×82530370² = 13622523944673800, which contains 22 as substring.

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 15 ways as a sum of consecutive naturals, for example, 6210 + ... + 14269.

It is an arithmetic number, because the mean of its divisors is an integer number (5160960).

Almost surely, 2^82530370 is an apocalyptic number.

82530370 is an abundant number, since it is smaller than the sum of its proper divisors (82620350).

82530370 is a wasteful number, since it uses less digits than its factorization.

82530370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20530.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 82530370 is about 9084.6227219406. The cubic root of 82530370 is about 435.3827959988.

Adding to 82530370 its reverse (7303528), we get a palindrome (89833898).

The spelling of 82530370 in words is "eighty-two million, five hundred thirty thousand, three hundred seventy".