82730873 has 2 divisors, whose sum is σ = 82730874. Its totient is φ = 82730872.

The previous prime is 82730861. The next prime is 82730887. The reversal of 82730873 is 37803728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 82591744 + 139129 = 9088^2 + 373^2 .

It is a cyclic number.

It is not a de Polignac number, because 82730873 - 2¹⁰ = 82729849 is a prime.

It is not a weakly prime, because it can be changed into another prime (82730273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41365436 + 41365437.

It is an arithmetic number, because the mean of its divisors is an integer number (41365437).

Almost surely, 2^82730873 is an apocalyptic number.

It is an amenable number.

82730873 is a deficient number, since it is larger than the sum of its proper divisors (1).

82730873 is an equidigital number, since it uses as much as digits as its factorization.

82730873 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 82730873 is about 9095.6513235722. The cubic root of 82730873 is about 435.7350903876.

The spelling of 82730873 in words is "eighty-two million, seven hundred thirty thousand, eight hundred seventy-three".