6709842 has 12 divisors (see below), whose sum is σ = 14538030. Its totient is φ = 2236608.

The previous prime is 6709841. The next prime is 6709867. The reversal of 6709842 is 2489076.

It can be written as a sum of positive squares in only one way, i.e., 4575321 + 2134521 = 2139^2 + 1461^2 .

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 6709797 and 6709806.

It is not an unprimeable number, because it can be changed into a prime (6709841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 186367 + ... + 186402.

Almost surely, 2^6709842 is an apocalyptic number.

6709842 is an abundant number, since it is smaller than the sum of its proper divisors (7828188).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6709842 is a wasteful number, since it uses less digits than its factorization.

6709842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372777 (or 372774 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6709842 is about 2590.3362716064. The cubic root of 6709842 is about 188.6126272636.

The spelling of 6709842 in words is "six million, seven hundred nine thousand, eight hundred forty-two".