6756642 has 32 divisors (see below), whose sum is σ = 15111360. Its totient is φ = 2237760.

The previous prime is 6756619. The next prime is 6756671. The reversal of 6756642 is 2466576.

6756642 is a `hidden beast` number, since 6 + 7 + 5 + 6 + 642 = 666.

It is a super-2 number, since 2×6756642² = 91304422232328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6756597 and 6756606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11098 + ... + 11690.

It is an arithmetic number, because the mean of its divisors is an integer number (472230).

Almost surely, 2^6756642 is an apocalyptic number.

6756642 is an abundant number, since it is smaller than the sum of its proper divisors (8354718).

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

6756642 is a wasteful number, since it uses less digits than its factorization.

6756642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 809 counting only the distinct ones).

The product of its digits is 60480, while the sum is 36.

The square root of 6756642 is about 2599.3541505536. The cubic root of 6756642 is about 189.0501252789.

The spelling of 6756642 in words is "six million, seven hundred fifty-six thousand, six hundred forty-two".