706127993 has 2 divisors, whose sum is σ = 706127994. Its totient is φ = 706127992.

The previous prime is 706127987. The next prime is 706128019. The reversal of 706127993 is 399721607.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 703734784 + 2393209 = 26528^2 + 1547^2 .

It is a cyclic number.

It is not a de Polignac number, because 706127993 - 2⁴ = 706127977 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (706127693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353063996 + 353063997.

It is an arithmetic number, because the mean of its divisors is an integer number (353063997).

Almost surely, 2^706127993 is an apocalyptic number.

It is an amenable number.

706127993 is a deficient number, since it is larger than the sum of its proper divisors (1).

706127993 is an equidigital number, since it uses as much as digits as its factorization.

706127993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 142884, while the sum is 44.

The square root of 706127993 is about 26573.0689420699. The cubic root of 706127993 is about 890.4874630468.

The spelling of 706127993 in words is "seven hundred six million, one hundred twenty-seven thousand, nine hundred ninety-three".