670711 has 2 divisors, whose sum is σ = 670712. Its totient is φ = 670710.

The previous prime is 670693. The next prime is 670727. The reversal of 670711 is 117076.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 670711 - 2⁷ = 670583 is a prime.

It is equal to p₅₄₃₆₄ and since 670711 and 54364 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (670781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 335355 + 335356.

It is an arithmetic number, because the mean of its divisors is an integer number (335356).

2⁶⁷⁰⁷¹¹ is an apocalyptic number.

670711 is a deficient number, since it is larger than the sum of its proper divisors (1).

670711 is an equidigital number, since it uses as much as digits as its factorization.

670711 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 294, while the sum is 22.

The square root of 670711 is about 818.9694744006. The cubic root of 670711 is about 87.5343429815.

Adding to 670711 its reverse (117076), we get a palindrome (787787).

The spelling of 670711 in words is "six hundred seventy thousand, seven hundred eleven".