706540873 has 2 divisors, whose sum is σ = 706540874. Its totient is φ = 706540872.

The previous prime is 706540867. The next prime is 706540883. The reversal of 706540873 is 378045607.

706540873 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 695271424 + 11269449 = 26368^2 + 3357^2 .

It is an emirp because it is prime and its reverse (378045607) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 706540873 - 2¹³ = 706532681 is a prime.

It is not a weakly prime, because it can be changed into another prime (706540843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353270436 + 353270437.

It is an arithmetic number, because the mean of its divisors is an integer number (353270437).

Almost surely, 2^706540873 is an apocalyptic number.

It is an amenable number.

706540873 is a deficient number, since it is larger than the sum of its proper divisors (1).

706540873 is an equidigital number, since it uses as much as digits as its factorization.

706540873 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 706540873 is about 26580.8365744948. The cubic root of 706540873 is about 890.6609881639.

The spelling of 706540873 in words is "seven hundred six million, five hundred forty thousand, eight hundred seventy-three".