6680704 has 64 divisors (see below), whose sum is σ = 14565600. Its totient is φ = 3041280.

The previous prime is 6680699. The next prime is 6680731. The reversal of 6680704 is 4070866.

It is a tau number, because it is divible by the number of its divisors (64).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 99679 + ... + 99745.

Almost surely, 2^6680704 is an apocalyptic number.

6680704 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6680704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7282800).

6680704 is an abundant number, since it is smaller than the sum of its proper divisors (7884896).

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

6680704 is a wasteful number, since it uses less digits than its factorization.

6680704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

The square root of 6680704 is about 2584.7057859648. The cubic root of 6680704 is about 188.3392095346.

The spelling of 6680704 in words is "six million, six hundred eighty thousand, seven hundred four".