725940 has 72 divisors (see below), whose sum is σ = 2282280. Its totient is φ = 186624.

The previous prime is 725939. The next prime is 725953. The reversal of 725940 is 49527.

725940 is a `hidden beast` number, since 72 + 594 + 0 = 666.

725940 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 266256 + 459684 = 516^2 + 678^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6606 + ... + 6714.

2⁷²⁵⁹⁴⁰ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 725940, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1141140).

725940 is an abundant number, since it is smaller than the sum of its proper divisors (1556340).

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

725940 is a wasteful number, since it uses less digits than its factorization.

725940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161 (or 156 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 725940 is about 852.0211264986. The cubic root of 725940 is about 89.8738974694.

The spelling of 725940 in words is "seven hundred twenty-five thousand, nine hundred forty".