82637020 has 12 divisors (see below), whose sum is σ = 173537784. Its totient is φ = 33054800.

The previous prime is 82637011. The next prime is 82637053. The reversal of 82637020 is 2073628.

It is a self number, because there is not a number n which added to its sum of digits gives 82637020.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2065906 + ... + 2065945.

It is an arithmetic number, because the mean of its divisors is an integer number (14461482).

Almost surely, 2^82637020 is an apocalyptic number.

It is an amenable number.

82637020 is an abundant number, since it is smaller than the sum of its proper divisors (90900764).

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

82637020 is a wasteful number, since it uses less digits than its factorization.

82637020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4131860 (or 4131858 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 82637020 is about 9090.4906358238. The cubic root of 82637020 is about 435.5702566401.

The spelling of 82637020 in words is "eighty-two million, six hundred thirty-seven thousand, twenty".