6711720 has 32 divisors (see below), whose sum is σ = 20135520. Its totient is φ = 1789760.

The previous prime is 6711713. The next prime is 6711739. The reversal of 6711720 is 271176.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27846 + ... + 28085.

It is an arithmetic number, because the mean of its divisors is an integer number (629235).

Almost surely, 2^6711720 is an apocalyptic number.

6711720 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6711720 is an abundant number, since it is smaller than the sum of its proper divisors (13423800).

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

6711720 is a wasteful number, since it uses less digits than its factorization.

6711720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55945 (or 55941 counting only the distinct ones).

The product of its (nonzero) digits is 588, while the sum is 24.

The square root of 6711720 is about 2590.6987474425. The cubic root of 6711720 is about 188.6302223859.

Adding to 6711720 its reverse (271176), we get a palindrome (6982896).

The spelling of 6711720 in words is "six million, seven hundred eleven thousand, seven hundred twenty".