6720701 has 4 divisors (see below), whose sum is σ = 7237692. Its totient is φ = 6203712.

The previous prime is 6720697. The next prime is 6720719. The reversal of 6720701 is 1070276.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4618201 + 2102500 = 2149^2 + 1450^2 .

It is a cyclic number.

It is not a de Polignac number, because 6720701 - 2² = 6720697 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6720731) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 258476 + ... + 258501.

It is an arithmetic number, because the mean of its divisors is an integer number (1809423).

Almost surely, 2^6720701 is an apocalyptic number.

It is an amenable number.

6720701 is a deficient number, since it is larger than the sum of its proper divisors (516991).

6720701 is a wasteful number, since it uses less digits than its factorization.

6720701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 516990.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 6720701 is about 2592.4314841477. The cubic root of 6720701 is about 188.7143206978.

Adding to 6720701 its reverse (1070276), we get a palindrome (7790977).

The spelling of 6720701 in words is "six million, seven hundred twenty thousand, seven hundred one".