2742704842 has 4 divisors (see below), whose sum is σ = 4114057266. Its totient is φ = 1371352420.

The previous prime is 2742704837. The next prime is 2742704849. The reversal of 2742704842 is 2484072472.

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

It can be written as a sum of positive squares in only one way, i.e., 1993533201 + 749171641 = 44649^2 + 27371^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2742704795 and 2742704804.

It is not an unprimeable number, because it can be changed into a prime (2742704849) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 685676209 + ... + 685676212.

Almost surely, 2^2742704842 is an apocalyptic number.

2742704842 is a deficient number, since it is larger than the sum of its proper divisors (1371352424).

2742704842 is a wasteful number, since it uses less digits than its factorization.

2742704842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1371352423.

The product of its (nonzero) digits is 200704, while the sum is 40.

The square root of 2742704842 is about 52370.8396151904. The cubic root of 2742704842 is about 1399.7797003702.

The spelling of 2742704842 in words is "two billion, seven hundred forty-two million, seven hundred four thousand, eight hundred forty-two".