2730015 has 48 divisors (see below), whose sum is σ = 5191680. Its totient is φ = 1321920.

The previous prime is 2730011. The next prime is 2730017. The reversal of 2730015 is 5100372.

2730015 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2730015 - 2² = 2730011 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2730015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 26454 + ... + 26556.

It is an arithmetic number, because the mean of its divisors is an integer number (108160).

2^2730015 is an apocalyptic number.

2730015 is a deficient number, since it is larger than the sum of its proper divisors (2461665).

2730015 is a wasteful number, since it uses less digits than its factorization.

2730015 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 210, while the sum is 18.

The square root of 2730015 is about 1652.2757033861. The cubic root of 2730015 is about 139.7617546593.

Adding to 2730015 its reverse (5100372), we get a palindrome (7830387).

The spelling of 2730015 in words is "two million, seven hundred thirty thousand, fifteen".