6542680 has 16 divisors (see below), whose sum is σ = 14721120. Its totient is φ = 2617056.

The previous prime is 6542647. The next prime is 6542681. The reversal of 6542680 is 862456.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6542681) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81744 + ... + 81823.

It is an arithmetic number, because the mean of its divisors is an integer number (920070).

Almost surely, 2^6542680 is an apocalyptic number.

It is an amenable number.

6542680 is an abundant number, since it is smaller than the sum of its proper divisors (8178440).

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

6542680 is a wasteful number, since it uses less digits than its factorization.

6542680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 163578 (or 163574 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 6542680 is about 2557.8662983041. The cubic root of 6542680 is about 187.0331377689.

The spelling of 6542680 in words is "six million, five hundred forty-two thousand, six hundred eighty".