82736618 has 8 divisors (see below), whose sum is σ = 126139620. Its totient is φ = 40690080.

The previous prime is 82736617. The next prime is 82736627. The reversal of 82736618 is 81663728.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 57866449 + 24870169 = 7607^2 + 4987^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (82736617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 338963 + ... + 339206.

Almost surely, 2^82736618 is an apocalyptic number.

82736618 is a deficient number, since it is larger than the sum of its proper divisors (43403002).

82736618 is a wasteful number, since it uses less digits than its factorization.

82736618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 678232.

The product of its digits is 96768, while the sum is 41.

The square root of 82736618 is about 9095.9671283487. The cubic root of 82736618 is about 435.7451762643.

The spelling of 82736618 in words is "eighty-two million, seven hundred thirty-six thousand, six hundred eighteen".