725244 has 24 divisors (see below), whose sum is σ = 1822800. Its totient is φ = 223104.

The previous prime is 725209. The next prime is 725273. The reversal of 725244 is 442527.

725244 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

725244 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2169 + ... + 2480.

It is an arithmetic number, because the mean of its divisors is an integer number (75950).

2⁷²⁵²⁴⁴ is an apocalyptic number.

It is an amenable number.

725244 is an abundant number, since it is smaller than the sum of its proper divisors (1097556).

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

725244 is a wasteful number, since it uses less digits than its factorization.

725244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669 (or 4667 counting only the distinct ones).

The product of its digits is 2240, while the sum is 24.

The square root of 725244 is about 851.6125879765. The cubic root of 725244 is about 89.8451658781.

It can be divided in two parts, 725 and 244, that added together give a palindrome (969).

The spelling of 725244 in words is "seven hundred twenty-five thousand, two hundred forty-four".