706775081 has 2 divisors, whose sum is σ = 706775082. Its totient is φ = 706775080.

The previous prime is 706775059. The next prime is 706775089. The reversal of 706775081 is 180577607.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 697805056 + 8970025 = 26416^2 + 2995^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706775081 is a prime.

It is a super-2 number, since 2×706775081² = 999062030245113122, which contains 22 as substring.

It is equal to p_36585590 and since 706775081 and 36585590 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (706775089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353387540 + 353387541.

It is an arithmetic number, because the mean of its divisors is an integer number (353387541).

Almost surely, 2^706775081 is an apocalyptic number.

It is an amenable number.

706775081 is a deficient number, since it is larger than the sum of its proper divisors (1).

706775081 is an equidigital number, since it uses as much as digits as its factorization.

706775081 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82320, while the sum is 41.

The square root of 706775081 is about 26585.2417893838. The cubic root of 706775081 is about 890.7593910031.

The spelling of 706775081 in words is "seven hundred six million, seven hundred seventy-five thousand, eighty-one".