82670330 has 16 divisors (see below), whose sum is σ = 156638880. Its totient is φ = 31327632.

The previous prime is 82670323. The next prime is 82670333. The reversal of 82670330 is 3307628.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 82670293 and 82670302.

It is not an unprimeable number, because it can be changed into a prime (82670333) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 217364 + ... + 217743.

It is an arithmetic number, because the mean of its divisors is an integer number (9789930).

Almost surely, 2^82670330 is an apocalyptic number.

82670330 is a deficient number, since it is larger than the sum of its proper divisors (73968550).

82670330 is a wasteful number, since it uses less digits than its factorization.

82670330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 435133.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 82670330 is about 9092.3225855664. The cubic root of 82670330 is about 435.6287731752.

Adding to 82670330 its reverse (3307628), we get a palindrome (85977958).

The spelling of 82670330 in words is "eighty-two million, six hundred seventy thousand, three hundred thirty".