6720776 has 16 divisors (see below), whose sum is σ = 12655440. Its totient is φ = 3346000.

The previous prime is 6720773. The next prime is 6720811. The reversal of 6720776 is 6770276.

It is not an unprimeable number, because it can be changed into a prime (6720773) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 335 + ... + 3681.

It is an arithmetic number, because the mean of its divisors is an integer number (790965).

Almost surely, 2^6720776 is an apocalyptic number.

It is an amenable number.

6720776 is a deficient number, since it is larger than the sum of its proper divisors (5934664).

6720776 is a wasteful number, since it uses less digits than its factorization.

6720776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3604 (or 3600 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 35.

The square root of 6720776 is about 2592.4459492919. The cubic root of 6720776 is about 188.7150226841.

The spelling of 6720776 in words is "six million, seven hundred twenty thousand, seven hundred seventy-six".