6723225 has 18 divisors (see below), whose sum is σ = 12042446. Its totient is φ = 3585600.

The previous prime is 6723217. The next prime is 6723251. The reversal of 6723225 is 5223276.

6723225 is nontrivially palindromic in base 4.

It can be written as a sum of positive squares in 3 ways, for example, as 4761 + 6718464 = 69^2 + 2592^2 .

It is not a de Polignac number, because 6723225 - 2³ = 6723217 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 14716 + ... + 15165.

Almost surely, 2^6723225 is an apocalyptic number.

It is an amenable number.

6723225 is a deficient number, since it is larger than the sum of its proper divisors (5319221).

6723225 is a wasteful number, since it uses less digits than its factorization.

6723225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29897 (or 29889 counting only the distinct ones).

The product of its digits is 5040, while the sum is 27.

The square root of 6723225 is about 2592.9182401302. The cubic root of 6723225 is about 188.7379420100.

The spelling of 6723225 in words is "six million, seven hundred twenty-three thousand, two hundred twenty-five".