726225 has 24 divisors (see below), whose sum is σ = 1255872. Its totient is φ = 369600.

The previous prime is 726221. The next prime is 726287. The reversal of 726225 is 522627.

It is not a de Polignac number, because 726225 - 2² = 726221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 726195 and 726204.

It is not an unprimeable number, because it can be changed into a prime (726221) 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, 1515 + ... + 1935.

It is an arithmetic number, because the mean of its divisors is an integer number (52328).

2⁷²⁶²²⁵ is an apocalyptic number.

726225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

726225 is a deficient number, since it is larger than the sum of its proper divisors (529647).

726225 is a wasteful number, since it uses less digits than its factorization.

726225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 457 (or 452 counting only the distinct ones).

The product of its digits is 1680, while the sum is 24.

The square root of 726225 is about 852.1883594605. The cubic root of 726225 is about 89.8856572611.

It can be divided in two parts, 72622 and 5, that added together give a palindrome (72627).

The spelling of 726225 in words is "seven hundred twenty-six thousand, two hundred twenty-five".