706043137 has 2 divisors, whose sum is σ = 706043138. Its totient is φ = 706043136.

The previous prime is 706043131. The next prime is 706043179. The reversal of 706043137 is 731340607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 377563761 + 328479376 = 19431^2 + 18124^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-706043137 is a prime.

It is a super-2 number, since 2×706043137² = 996993822609601538, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 706043099 and 706043108.

It is not a weakly prime, because it can be changed into another prime (706043131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353021568 + 353021569.

It is an arithmetic number, because the mean of its divisors is an integer number (353021569).

Almost surely, 2^706043137 is an apocalyptic number.

It is an amenable number.

706043137 is a deficient number, since it is larger than the sum of its proper divisors (1).

706043137 is an equidigital number, since it uses as much as digits as its factorization.

706043137 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 706043137 is about 26571.4722399795. The cubic root of 706043137 is about 890.4517914066.

The spelling of 706043137 in words is "seven hundred six million, forty-three thousand, one hundred thirty-seven".