726245 has 8 divisors (see below), whose sum is σ = 938616. Its totient is φ = 536256.

The previous prime is 726221. The next prime is 726287. The reversal of 726245 is 542627.

726245 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 8836 + 717409 = 94^2 + 847^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 726245 - 2⁶ = 726181 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5522 + ... + 5651.

It is an arithmetic number, because the mean of its divisors is an integer number (117327).

2⁷²⁶²⁴⁵ is an apocalyptic number.

It is an amenable number.

726245 is a deficient number, since it is larger than the sum of its proper divisors (212371).

726245 is a wasteful number, since it uses less digits than its factorization.

726245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11191.

The product of its digits is 3360, while the sum is 26.

The square root of 726245 is about 852.2000938747. The cubic root of 726245 is about 89.8864823941.

The spelling of 726245 in words is "seven hundred twenty-six thousand, two hundred forty-five".