725230 has 32 divisors (see below), whose sum is σ = 1503360. Its totient is φ = 249120.

The previous prime is 725209. The next prime is 725273. The reversal of 725230 is 32527.

It is a happy number.

725230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is an Ulam number.

It is an alternating number because its digits alternate between odd and even.

It is a junction number, because it is equal to n+sod(n) for n = 725198 and 725207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917 + ... + 2263.

It is an arithmetic number, because the mean of its divisors is an integer number (46980).

2⁷²⁵²³⁰ is an apocalyptic number.

725230 is an abundant number, since it is smaller than the sum of its proper divisors (778130).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

725230 is a wasteful number, since it uses less digits than its factorization.

725230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384.

The product of its (nonzero) digits is 420, while the sum is 19.

The square root of 725230 is about 851.6043682368. The cubic root of 725230 is about 89.8445877553.

Adding to 725230 its reverse (32527), we get a palindrome (757757).

The spelling of 725230 in words is "seven hundred twenty-five thousand, two hundred thirty".