82272836 has 6 divisors (see below), whose sum is σ = 143977470. Its totient is φ = 41136416.

The previous prime is 82272833. The next prime is 82272871. The reversal of 82272836 is 63827228.

It can be written as a sum of positive squares in only one way, i.e., 67404100 + 14868736 = 8210^2 + 3856^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 82272836.

It is not an unprimeable number, because it can be changed into a prime (82272833) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10284101 + ... + 10284108.

It is an arithmetic number, because the mean of its divisors is an integer number (23996245).

Almost surely, 2^82272836 is an apocalyptic number.

It is an amenable number.

82272836 is a deficient number, since it is larger than the sum of its proper divisors (61704634).

82272836 is a wasteful number, since it uses less digits than its factorization.

82272836 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20568213 (or 20568211 counting only the distinct ones).

The product of its digits is 64512, while the sum is 38.

The square root of 82272836 is about 9070.4374756679. The cubic root of 82272836 is about 434.9294570067.

The spelling of 82272836 in words is "eighty-two million, two hundred seventy-two thousand, eight hundred thirty-six".