2742842 has 8 divisors (see below), whose sum is σ = 4293216. Its totient is φ = 1311772.

The previous prime is 2742811. The next prime is 2742853. The reversal of 2742842 is 2482472.

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

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29768 + ... + 29859.

It is an arithmetic number, because the mean of its divisors is an integer number (536652).

2^2742842 is an apocalyptic number.

2742842 is a deficient number, since it is larger than the sum of its proper divisors (1550374).

2742842 is a wasteful number, since it uses less digits than its factorization.

2742842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59652.

The product of its digits is 7168, while the sum is 29.

The square root of 2742842 is about 1656.1527707310. The cubic root of 2742842 is about 139.9803033515.

The spelling of 2742842 in words is "two million, seven hundred forty-two thousand, eight hundred forty-two".