2740126 has 4 divisors (see below), whose sum is σ = 4110192. Its totient is φ = 1370062.

The previous prime is 2740093. The next prime is 2740139. The reversal of 2740126 is 6210472.

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

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 2740097 and 2740106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685030 + ... + 685033.

It is an arithmetic number, because the mean of its divisors is an integer number (1027548).

2^2740126 is an apocalyptic number.

2740126 is a deficient number, since it is larger than the sum of its proper divisors (1370066).

2740126 is a wasteful number, since it uses less digits than its factorization.

2740126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1370065.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2740126 is about 1655.3325949790. The cubic root of 2740126 is about 139.9340846166.

Adding to 2740126 its reverse (6210472), we get a palindrome (8950598).

The spelling of 2740126 in words is "two million, seven hundred forty thousand, one hundred twenty-six".