82041812 has 24 divisors (see below), whose sum is σ = 149469600. Its totient is φ = 39354336.

The previous prime is 82041797. The next prime is 82041821. The reversal of 82041812 is 21814028.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16739 + ... + 21077.

It is an arithmetic number, because the mean of its divisors is an integer number (6227900).

Almost surely, 2^82041812 is an apocalyptic number.

It is an amenable number.

82041812 is a deficient number, since it is larger than the sum of its proper divisors (67427788).

82041812 is a wasteful number, since it uses less digits than its factorization.

82041812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4535 (or 4533 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 26.

The square root of 82041812 is about 9057.6935253960. The cubic root of 82041812 is about 434.5219780865.

The spelling of 82041812 in words is "eighty-two million, forty-one thousand, eight hundred twelve".