6679680 has 192 divisors, whose sum is σ = 25116480. Its totient is φ = 1505280.

The previous prime is 6679667. The next prime is 6679681. The reversal of 6679680 is 869766.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6679681) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 94045 + ... + 94115.

It is an arithmetic number, because the mean of its divisors is an integer number (130815).

Almost surely, 2^6679680 is an apocalyptic number.

6679680 is a gapful number since it is divisible by the number (60) 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 6679680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12558240).

6679680 is an abundant number, since it is smaller than the sum of its proper divisors (18436800).

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

6679680 is a wasteful number, since it uses less digits than its factorization.

6679680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107 (or 88 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 6679680 is about 2584.5076900640. The cubic root of 6679680 is about 188.3295863370.

The spelling of 6679680 in words is "six million, six hundred seventy-nine thousand, six hundred eighty".