724025 has 6 divisors (see below), whose sum is σ = 897822. Its totient is φ = 579200.

The previous prime is 724021. The next prime is 724079. The reversal of 724025 is 520427.

It can be written as a sum of positive squares in 3 ways, for example, as 182329 + 541696 = 427^2 + 736^2 .

It is not a de Polignac number, because 724025 - 2² = 724021 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 723988 and 724006.

It is not an unprimeable number, because it can be changed into a prime (724021) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14456 + ... + 14505.

It is an arithmetic number, because the mean of its divisors is an integer number (149637).

2⁷²⁴⁰²⁵ is an apocalyptic number.

It is an amenable number.

724025 is a deficient number, since it is larger than the sum of its proper divisors (173797).

724025 is a wasteful number, since it uses less digits than its factorization.

724025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28971 (or 28966 counting only the distinct ones).

The product of its (nonzero) digits is 560, while the sum is 20.

The square root of 724025 is about 850.8965859609. The cubic root of 724025 is about 89.7947999892.

The spelling of 724025 in words is "seven hundred twenty-four thousand, twenty-five".