6726920 has 32 divisors (see below), whose sum is σ = 15491520. Its totient is φ = 2627520.

The previous prime is 6726821. The next prime is 6726947. The reversal of 6726920 is 296276.

It is a Smith number, since the sum of its digits (32) coincides with the sum of the digits of its prime factors.

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, 236 + ... + 3675.

It is an arithmetic number, because the mean of its divisors is an integer number (484110).

Almost surely, 2^6726920 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6726920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7745760).

6726920 is an abundant number, since it is smaller than the sum of its proper divisors (8764600).

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

6726920 is a wasteful number, since it uses less digits than its factorization.

6726920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3965 (or 3961 counting only the distinct ones).

The product of its (nonzero) digits is 9072, while the sum is 32.

The square root of 6726920 is about 2593.6306599051. The cubic root of 6726920 is about 188.7725116784.

The spelling of 6726920 in words is "six million, seven hundred twenty-six thousand, nine hundred twenty".