2748742 has 16 divisors (see below), whose sum is σ = 4257072. Its totient is φ = 1330560.

The previous prime is 2748731. The next prime is 2748769. The reversal of 2748742 is 2478472.

2748742 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 2748698 and 2748707.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 9642 + ... + 9922.

It is an arithmetic number, because the mean of its divisors is an integer number (266067).

2^2748742 is an apocalyptic number.

2748742 is a deficient number, since it is larger than the sum of its proper divisors (1508330).

2748742 is a wasteful number, since it uses less digits than its factorization.

2748742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423.

The product of its digits is 25088, while the sum is 34.

The square root of 2748742 is about 1657.9330505180. The cubic root of 2748742 is about 140.0805998472.

The spelling of 2748742 in words is "two million, seven hundred forty-eight thousand, seven hundred forty-two".