82702573 has 6 divisors (see below), whose sum is σ = 87284814. Its totient is φ = 78349464.

The previous prime is 82702561. The next prime is 82702579. The reversal of 82702573 is 37520728.

It can be written as a sum of positive squares in only one way, i.e., 69255684 + 13446889 = 8322^2 + 3667^2 .

It is not a de Polignac number, because 82702573 - 2⁵ = 82702541 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82702579) 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 5 ways as a sum of consecutive naturals, for example, 114186 + ... + 114907.

It is an arithmetic number, because the mean of its divisors is an integer number (14547469).

Almost surely, 2^82702573 is an apocalyptic number.

It is an amenable number.

82702573 is a deficient number, since it is larger than the sum of its proper divisors (4582241).

82702573 is a wasteful number, since it uses less digits than its factorization.

82702573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229131 (or 229112 counting only the distinct ones).

The product of its (nonzero) digits is 23520, while the sum is 34.

The square root of 82702573 is about 9094.0955020277. The cubic root of 82702573 is about 435.6854003144.

The spelling of 82702573 in words is "eighty-two million, seven hundred two thousand, five hundred seventy-three".