6715660 has 24 divisors (see below), whose sum is σ = 16117920. Its totient is φ = 2302464.

The previous prime is 6715649. The next prime is 6715679. The reversal of 6715660 is 665176.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23845 + ... + 24124.

It is an arithmetic number, because the mean of its divisors is an integer number (671580).

Almost surely, 2^6715660 is an apocalyptic number.

It is an amenable number.

6715660 is an abundant number, since it is smaller than the sum of its proper divisors (9402260).

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

6715660 is a wasteful number, since it uses less digits than its factorization.

6715660 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47985 (or 47983 counting only the distinct ones).

The product of its (nonzero) digits is 7560, while the sum is 31.

The square root of 6715660 is about 2591.4590484899. The cubic root of 6715660 is about 188.6671258769.

Subtracting from 6715660 its product of nonzero digits (7560), we obtain a square (6708100 = 2590²).

The spelling of 6715660 in words is "six million, seven hundred fifteen thousand, six hundred sixty".