2760005 has 4 divisors (see below), whose sum is σ = 3312012. Its totient is φ = 2208000.

The previous prime is 2759971. The next prime is 2760013. The reversal of 2760005 is 5000672.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1324801 + 1435204 = 1151^2 + 1198^2 .

It is not a de Polignac number, because 2760005 - 2¹⁴ = 2743621 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, 275996 + ... + 276005.

It is an arithmetic number, because the mean of its divisors is an integer number (828003).

2^2760005 is an apocalyptic number.

It is an amenable number.

2760005 is a deficient number, since it is larger than the sum of its proper divisors (552007).

2760005 is an equidigital number, since it uses as much as digits as its factorization.

2760005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552006.

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

The square root of 2760005 is about 1661.3262774061. The cubic root of 2760005 is about 140.2716663750.

Adding to 2760005 its reverse (5000672), we get a palindrome (7760677).

The spelling of 2760005 in words is "two million, seven hundred sixty thousand, five".