6716224 has 28 divisors (see below), whose sum is σ = 14113764. Its totient is φ = 3160064.

The previous prime is 6716221. The next prime is 6716257. The reversal of 6716224 is 4226176.

It can be written as a sum of positive squares in 2 ways, for example, as 2050624 + 4665600 = 1432^2 + 2160^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6716192 and 6716201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6716221) 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, 1999 + ... + 4174.

It is an arithmetic number, because the mean of its divisors is an integer number (504063).

Almost surely, 2^6716224 is an apocalyptic number.

6716224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6716224 is an abundant number, since it is smaller than the sum of its proper divisors (7397540).

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

6716224 is a wasteful number, since it uses less digits than its factorization.

6716224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6202 (or 6192 counting only the distinct ones).

The product of its digits is 4032, while the sum is 28.

The square root of 6716224 is about 2591.5678652121. The cubic root of 6716224 is about 188.6724073275.

The spelling of 6716224 in words is "six million, seven hundred sixteen thousand, two hundred twenty-four".