2740026 has 16 divisors (see below), whose sum is σ = 5802624. Its totient is φ = 859584.

The previous prime is 2739991. The next prime is 2740027. The reversal of 2740026 is 6200472.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 2739984 and 2740011.

It is not an unprimeable number, because it can be changed into a prime (2740027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13330 + ... + 13533.

It is an arithmetic number, because the mean of its divisors is an integer number (362664).

2^2740026 is an apocalyptic number.

2740026 is an abundant number, since it is smaller than the sum of its proper divisors (3062598).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2740026 is a wasteful number, since it uses less digits than its factorization.

2740026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26885.

The product of its (nonzero) digits is 672, while the sum is 21.

The square root of 2740026 is about 1655.3023892933. The cubic root of 2740026 is about 139.9323823130.

Adding to 2740026 its reverse (6200472), we get a palindrome (8940498).

The spelling of 2740026 in words is "two million, seven hundred forty thousand, twenty-six".