2706005 has 4 divisors (see below), whose sum is σ = 3247212. Its totient is φ = 2164800.

The previous prime is 2705993. The next prime is 2706017. The reversal of 2706005 is 5006072.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2705993) and next prime (2706017).

It can be written as a sum of positive squares in 2 ways, for example, as 1661521 + 1044484 = 1289^2 + 1022^2 .

It is not a de Polignac number, because 2706005 - 2¹⁰ = 2704981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 270596 + ... + 270605.

It is an arithmetic number, because the mean of its divisors is an integer number (811803).

2^2706005 is an apocalyptic number.

It is an amenable number.

2706005 is a deficient number, since it is larger than the sum of its proper divisors (541207).

2706005 is an equidigital number, since it uses as much as digits as its factorization.

2706005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541206.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 2706005 is about 1644.9939209614. The cubic root of 2706005 is about 139.3508209445.

Adding to 2706005 its sum of digits (20), we get a square (2706025 = 1645²).

The spelling of 2706005 in words is "two million, seven hundred six thousand, five".