6784042 has 4 divisors (see below), whose sum is σ = 10176066. Its totient is φ = 3392020.

The previous prime is 6784039. The next prime is 6784049. The reversal of 6784042 is 2404876.

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., 6754801 + 29241 = 2599^2 + 171^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6783995 and 6784013.

It is not an unprimeable number, because it can be changed into a prime (6784049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1696009 + ... + 1696012.

Almost surely, 2^6784042 is an apocalyptic number.

6784042 is a deficient number, since it is larger than the sum of its proper divisors (3392024).

6784042 is a wasteful number, since it uses less digits than its factorization.

6784042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3392023.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 6784042 is about 2604.6193579869. The cubic root of 6784042 is about 189.3053303104.

The spelling of 6784042 in words is "six million, seven hundred eighty-four thousand, forty-two".