2724842 has 4 divisors (see below), whose sum is σ = 4087266. Its totient is φ = 1362420.

The previous prime is 2724829. The next prime is 2724859. The reversal of 2724842 is 2484272.

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., 2163841 + 561001 = 1471^2 + 749^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 681209 + ... + 681212.

2^2724842 is an apocalyptic number.

2724842 is a deficient number, since it is larger than the sum of its proper divisors (1362424).

2724842 is a wasteful number, since it uses less digits than its factorization.

2724842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1362423.

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

The square root of 2724842 is about 1650.7095444081. The cubic root of 2724842 is about 139.6734224595.

The spelling of 2724842 in words is "two million, seven hundred twenty-four thousand, eight hundred forty-two".