726625 has 8 divisors (see below), whose sum is σ = 906984. Its totient is φ = 581200.

The previous prime is 726623. The next prime is 726629. The reversal of 726625 is 526627.

It can be written as a sum of positive squares in 4 ways, for example, as 9216 + 717409 = 96^2 + 847^2 .

It is not a de Polignac number, because 726625 - 2¹ = 726623 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 726593 and 726602.

It is not an unprimeable number, because it can be changed into a prime (726623) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2782 + ... + 3031.

It is an arithmetic number, because the mean of its divisors is an integer number (113373).

2⁷²⁶⁶²⁵ is an apocalyptic number.

It is an amenable number.

726625 is a deficient number, since it is larger than the sum of its proper divisors (180359).

726625 is an equidigital number, since it uses as much as digits as its factorization.

726625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5828 (or 5818 counting only the distinct ones).

The product of its digits is 5040, while the sum is 28.

The square root of 726625 is about 852.4230170520. The cubic root of 726625 is about 89.9021570437.

The spelling of 726625 in words is "seven hundred twenty-six thousand, six hundred twenty-five".