2670709 has 2 divisors, whose sum is σ = 2670710. Its totient is φ = 2670708.

The previous prime is 2670677. The next prime is 2670719. The reversal of 2670709 is 9070762.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2490084 + 180625 = 1578^2 + 425^2 .

It is a cyclic number.

It is not a de Polignac number, because 2670709 - 2⁵ = 2670677 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2670719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1335354 + 1335355.

It is an arithmetic number, because the mean of its divisors is an integer number (1335355).

2^2670709 is an apocalyptic number.

It is an amenable number.

2670709 is a deficient number, since it is larger than the sum of its proper divisors (1).

2670709 is an equidigital number, since it uses as much as digits as its factorization.

2670709 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 2670709 is about 1634.2303999131. The cubic root of 2670709 is about 138.7422894289.

The spelling of 2670709 in words is "two million, six hundred seventy thousand, seven hundred nine".