82730085 has 32 divisors (see below), whose sum is σ = 141989760. Its totient is φ = 41004288.

The previous prime is 82730083. The next prime is 82730119. The reversal of 82730085 is 58003728.

It is not a de Polignac number, because 82730085 - 2¹ = 82730083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82730083) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12367 + ... + 17843.

It is an arithmetic number, because the mean of its divisors is an integer number (4437180).

Almost surely, 2^82730085 is an apocalyptic number.

It is an amenable number.

82730085 is a deficient number, since it is larger than the sum of its proper divisors (59259675).

82730085 is a wasteful number, since it uses less digits than its factorization.

82730085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5557.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 82730085 is about 9095.6080060653. The cubic root of 82730085 is about 435.7337069446.

The spelling of 82730085 in words is "eighty-two million, seven hundred thirty thousand, eighty-five".