82705473 has 6 divisors (see below), whose sum is σ = 119463474. Its totient is φ = 55136976.

The previous prime is 82705451. The next prime is 82705501. The reversal of 82705473 is 37450728.

It can be written as a sum of positive squares in only one way, i.e., 41835024 + 40870449 = 6468^2 + 6393^2 .

It is not a de Polignac number, because 82705473 - 2¹⁰ = 82704449 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82705373) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 4594740 + ... + 4594757.

It is an arithmetic number, because the mean of its divisors is an integer number (19910579).

Almost surely, 2^82705473 is an apocalyptic number.

It is an amenable number.

82705473 is a deficient number, since it is larger than the sum of its proper divisors (36758001).

82705473 is a wasteful number, since it uses less digits than its factorization.

82705473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9189503 (or 9189500 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 82705473 is about 9094.2549447440. The cubic root of 82705473 is about 435.6904927513.

The spelling of 82705473 in words is "eighty-two million, seven hundred five thousand, four hundred seventy-three".