671070773 has 2 divisors, whose sum is σ = 671070774. Its totient is φ = 671070772.

The previous prime is 671070731. The next prime is 671070781. The reversal of 671070773 is 377070176.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 493595089 + 177475684 = 22217^2 + 13322^2 .

It is a cyclic number.

It is not a de Polignac number, because 671070773 - 2²⁶ = 603961909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (671070703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335535386 + 335535387.

It is an arithmetic number, because the mean of its divisors is an integer number (335535387).

Almost surely, 2^671070773 is an apocalyptic number.

It is an amenable number.

671070773 is a deficient number, since it is larger than the sum of its proper divisors (1).

671070773 is an equidigital number, since it uses as much as digits as its factorization.

671070773 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43218, while the sum is 38.

The square root of 671070773 is about 25905.0337386385. The cubic root of 671070773 is about 875.4999148185.

The spelling of 671070773 in words is "six hundred seventy-one million, seventy thousand, seven hundred seventy-three".