82730613 has 16 divisors (see below), whose sum is σ = 126564480. Its totient is φ = 47087616.

The previous prime is 82730603. The next prime is 82730629. The reversal of 82730613 is 31603728.

It is not a de Polignac number, because 82730613 - 2⁴ = 82730597 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82730603) 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 15 ways as a sum of consecutive naturals, for example, 2268 + ... + 13061.

It is an arithmetic number, because the mean of its divisors is an integer number (7910280).

Almost surely, 2^82730613 is an apocalyptic number.

It is an amenable number.

82730613 is a deficient number, since it is larger than the sum of its proper divisors (43833867).

82730613 is a wasteful number, since it uses less digits than its factorization.

82730613 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15596.

The product of its (nonzero) digits is 6048, while the sum is 30.

The square root of 82730613 is about 9095.6370310166. The cubic root of 82730613 is about 435.7346339226.

The spelling of 82730613 in words is "eighty-two million, seven hundred thirty thousand, six hundred thirteen".