6696780 has 48 divisors (see below), whose sum is σ = 18869760. Its totient is φ = 1774528.

The previous prime is 6696779. The next prime is 6696787. The reversal of 6696780 is 876966.

It is a happy number.

6696780 is digitally balanced in base 4 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (6696787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14107 + ... + 14573.

It is an arithmetic number, because the mean of its divisors is an integer number (393120).

Almost surely, 2^6696780 is an apocalyptic number.

6696780 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6696780 is an abundant number, since it is smaller than the sum of its proper divisors (12172980).

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

6696780 is a wasteful number, since it uses less digits than its factorization.

6696780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 718 (or 716 counting only the distinct ones).

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

The square root of 6696780 is about 2587.8137490940. The cubic root of 6696780 is about 188.4901574881.

The spelling of 6696780 in words is "six million, six hundred ninety-six thousand, seven hundred eighty".