82744842 has 16 divisors (see below), whose sum is σ = 165588192. Its totient is φ = 27565200.

The previous prime is 82744841. The next prime is 82744873. The reversal of 82744842 is 24844728.

It is a self number, because there is not a number n which added to its sum of digits gives 82744842.

It is not an unprimeable number, because it can be changed into a prime (82744841) 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, 11217 + ... + 17067.

It is an arithmetic number, because the mean of its divisors is an integer number (10349262).

Almost surely, 2^82744842 is an apocalyptic number.

82744842 is an abundant number, since it is smaller than the sum of its proper divisors (82843350).

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

82744842 is a wasteful number, since it uses less digits than its factorization.

82744842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8213.

The product of its digits is 114688, while the sum is 39.

The square root of 82744842 is about 9096.4191855917. The cubic root of 82744842 is about 435.7596134413.

The spelling of 82744842 in words is "eighty-two million, seven hundred forty-four thousand, eight hundred forty-two".