723225 has 12 divisors (see below), whose sum is σ = 1195856. Its totient is φ = 385680.

The previous prime is 723221. The next prime is 723227. The reversal of 723225 is 522327.

It is not a de Polignac number, because 723225 - 2² = 723221 is a prime.

It is a Duffinian number.

723225 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (723221) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4747 + ... + 4896.

2⁷²³²²⁵ is an apocalyptic number.

723225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

723225 is a deficient number, since it is larger than the sum of its proper divisors (472631).

723225 is a wasteful number, since it uses less digits than its factorization.

723225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9656 (or 9651 counting only the distinct ones).

The product of its digits is 840, while the sum is 21.

The square root of 723225 is about 850.4263636553. The cubic root of 723225 is about 89.7617153516.

It can be divided in two parts, 72322 and 5, that added together give a palindrome (72327).

The spelling of 723225 in words is "seven hundred twenty-three thousand, two hundred twenty-five".