82705373 has 2 divisors, whose sum is σ = 82705374. Its totient is φ = 82705372.

The previous prime is 82705367. The next prime is 82705421. The reversal of 82705373 is 37350728.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 54434884 + 28270489 = 7378^2 + 5317^2 .

It is a cyclic number.

It is not a de Polignac number, because 82705373 - 2¹⁴ = 82688989 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (82705313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41352686 + 41352687.

It is an arithmetic number, because the mean of its divisors is an integer number (41352687).

Almost surely, 2^82705373 is an apocalyptic number.

It is an amenable number.

82705373 is a deficient number, since it is larger than the sum of its proper divisors (1).

82705373 is an equidigital number, since it uses as much as digits as its factorization.

82705373 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 35280, while the sum is 35.

The square root of 82705373 is about 9094.2494467658. The cubic root of 82705373 is about 435.6903171520.

The spelling of 82705373 in words is "eighty-two million, seven hundred five thousand, three hundred seventy-three".