6720662 has 8 divisors (see below), whose sum is σ = 10856496. Its totient is φ = 3101832.

The previous prime is 6720629. The next prime is 6720667. The reversal of 6720662 is 2660276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 129218 + ... + 129269.

It is an arithmetic number, because the mean of its divisors is an integer number (1357062).

Almost surely, 2^6720662 is an apocalyptic number.

6720662 is a deficient number, since it is larger than the sum of its proper divisors (4135834).

6720662 is a wasteful number, since it uses less digits than its factorization.

6720662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258502.

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 6720662 is about 2592.4239622407. The cubic root of 6720662 is about 188.7139556628.

The spelling of 6720662 in words is "six million, seven hundred twenty thousand, six hundred sixty-two".