6516740 has 24 divisors (see below), whose sum is σ = 13776000. Its totient is φ = 2589408.

The previous prime is 6516739. The next prime is 6516743. The reversal of 6516740 is 476156.

It is not an unprimeable number, because it can be changed into a prime (6516743) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2261 + ... + 4259.

It is an arithmetic number, because the mean of its divisors is an integer number (574000).

Almost surely, 2^6516740 is an apocalyptic number.

It is an amenable number.

6516740 is an abundant number, since it is smaller than the sum of its proper divisors (7259260).

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

6516740 is a wasteful number, since it uses less digits than its factorization.

6516740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2171 (or 2169 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 6516740 is about 2552.7906298794. The cubic root of 6516740 is about 186.7856313659.

The spelling of 6516740 in words is "six million, five hundred sixteen thousand, seven hundred forty".