6722361 has 24 divisors (see below), whose sum is σ = 10487880. Its totient is φ = 4133376.

The previous prime is 6722341. The next prime is 6722377. The reversal of 6722361 is 1632276.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 2742336 + 3980025 = 1656^2 + 1995^2 .

It is not a de Polignac number, because 6722361 - 2⁵ = 6722329 is a prime.

6722361 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (6722321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7695 + ... + 8523.

It is an arithmetic number, because the mean of its divisors is an integer number (436995).

Almost surely, 2^6722361 is an apocalyptic number.

It is an amenable number.

6722361 is a deficient number, since it is larger than the sum of its proper divisors (3765519).

6722361 is a wasteful number, since it uses less digits than its factorization.

6722361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 902 counting only the distinct ones).

The product of its digits is 3024, while the sum is 27.

The square root of 6722361 is about 2592.7516271328. The cubic root of 6722361 is about 188.7298567747.

The spelling of 6722361 in words is "six million, seven hundred twenty-two thousand, three hundred sixty-one".