2740506 has 16 divisors (see below), whose sum is σ = 5497248. Its totient is φ = 910800.

The previous prime is 2740489. The next prime is 2740511. The reversal of 2740506 is 6050472.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3621 + ... + 4311.

It is an arithmetic number, because the mean of its divisors is an integer number (343578).

2^2740506 is an apocalyptic number.

2740506 is an abundant number, since it is smaller than the sum of its proper divisors (2756742).

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

2740506 is a wasteful number, since it uses less digits than its factorization.

2740506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 2740506 is about 1655.4473715585. The cubic root of 2740506 is about 139.9405529924.

Adding to 2740506 its reverse (6050472), we get a palindrome (8790978).

The spelling of 2740506 in words is "two million, seven hundred forty thousand, five hundred six".