706671001 has 2 divisors, whose sum is σ = 706671002. Its totient is φ = 706671000.

The previous prime is 706670999. The next prime is 706671013. The reversal of 706671001 is 100176607.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 428448601 + 278222400 = 20699^2 + 16680^2 .

It is a cyclic number.

It is not a de Polignac number, because 706671001 - 2¹ = 706670999 is a prime.

Together with 706670999, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (706671041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 353335500 + 353335501.

It is an arithmetic number, because the mean of its divisors is an integer number (353335501).

Almost surely, 2^706671001 is an apocalyptic number.

It is an amenable number.

706671001 is a deficient number, since it is larger than the sum of its proper divisors (1).

706671001 is an equidigital number, since it uses as much as digits as its factorization.

706671001 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1764, while the sum is 28.

The square root of 706671001 is about 26583.2842402890. The cubic root of 706671001 is about 890.7156643206.

The spelling of 706671001 in words is "seven hundred six million, six hundred seventy-one thousand, one".