6720959 has 4 divisors (see below), whose sum is σ = 7681104. Its totient is φ = 5760816.

The previous prime is 6720947. The next prime is 6721009. The reversal of 6720959 is 9590276.

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

It is a cyclic number.

It is not a de Polignac number, because 6720959 - 2¹⁶ = 6655423 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 (6720929) 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, 480062 + ... + 480075.

It is an arithmetic number, because the mean of its divisors is an integer number (1920276).

Almost surely, 2^6720959 is an apocalyptic number.

6720959 is a deficient number, since it is larger than the sum of its proper divisors (960145).

6720959 is an equidigital number, since it uses as much as digits as its factorization.

6720959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960144.

The product of its (nonzero) digits is 34020, while the sum is 38.

The square root of 6720959 is about 2592.4812439052. The cubic root of 6720959 is about 188.7167355089.

The spelling of 6720959 in words is "six million, seven hundred twenty thousand, nine hundred fifty-nine".