6719722 has 4 divisors (see below), whose sum is σ = 10079586. Its totient is φ = 3359860.

The previous prime is 6719719. The next prime is 6719729. The reversal of 6719722 is 2279176.

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

It can be written as a sum of positive squares in only one way, i.e., 6245001 + 474721 = 2499^2 + 689^2 .

It is a d-powerful number, because it can be written as 6³ + 7⁷ + 1 + 9² + 7⁸ + 2³ + 2¹⁷ .

It is not an unprimeable number, because it can be changed into a prime (6719729) 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 as a sum of consecutive naturals, namely, 1679929 + ... + 1679932.

Almost surely, 2^6719722 is an apocalyptic number.

6719722 is a deficient number, since it is larger than the sum of its proper divisors (3359864).

6719722 is a wasteful number, since it uses less digits than its factorization.

6719722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3359863.

The product of its digits is 10584, while the sum is 34.

The square root of 6719722 is about 2592.2426583945. The cubic root of 6719722 is about 188.7051569567.

The spelling of 6719722 in words is "six million, seven hundred nineteen thousand, seven hundred twenty-two".