82674842 has 16 divisors (see below), whose sum is σ = 132273000. Its totient is φ = 38619648.

The previous prime is 82674821. The next prime is 82674847. The reversal of 82674842 is 24847628.

It can be written as a sum of positive squares in 4 ways, for example, as 65626201 + 17048641 = 8101^2 + 4129^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82674842.

It is not an unprimeable number, because it can be changed into a prime (82674847) by changing a digit.

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, 4217 + ... + 13532.

Almost surely, 2^82674842 is an apocalyptic number.

82674842 is a deficient number, since it is larger than the sum of its proper divisors (49598158).

82674842 is a wasteful number, since it uses less digits than its factorization.

82674842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17905.

The product of its digits is 172032, while the sum is 41.

The square root of 82674842 is about 9092.5707036019. The cubic root of 82674842 is about 435.6366983130.

The spelling of 82674842 in words is "eighty-two million, six hundred seventy-four thousand, eight hundred forty-two".