2743742 has 8 divisors (see below), whose sum is σ = 4158336. Its totient is φ = 1357632.

The previous prime is 2743723. The next prime is 2743747. The reversal of 2743742 is 2473472.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2743747) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6878 + ... + 7265.

It is an arithmetic number, because the mean of its divisors is an integer number (519792).

2^2743742 is an apocalyptic number.

2743742 is a deficient number, since it is larger than the sum of its proper divisors (1414594).

2743742 is a wasteful number, since it uses less digits than its factorization.

2743742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14242.

The product of its digits is 9408, while the sum is 29.

The square root of 2743742 is about 1656.4244625095. The cubic root of 2743742 is about 139.9956121074.

The spelling of 2743742 in words is "two million, seven hundred forty-three thousand, seven hundred forty-two".