6722027 has 4 divisors (see below), whose sum is σ = 7239120. Its totient is φ = 6204936.

The previous prime is 6721999. The next prime is 6722039. The reversal of 6722027 is 7202276.

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 6722027 - 2¹⁸ = 6459883 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6721987 and 6722005.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722057) 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, 258527 + ... + 258552.

It is an arithmetic number, because the mean of its divisors is an integer number (1809780).

Almost surely, 2^6722027 is an apocalyptic number.

6722027 is a deficient number, since it is larger than the sum of its proper divisors (517093).

6722027 is a wasteful number, since it uses less digits than its factorization.

6722027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 517092.

The product of its (nonzero) digits is 2352, while the sum is 26.

The square root of 6722027 is about 2592.6872159981. The cubic root of 6722027 is about 188.7267310467.

Subtracting 6722027 from its reverse (7202276), we obtain a square (480249 = 693²).

The spelling of 6722027 in words is "six million, seven hundred twenty-two thousand, twenty-seven".