725314240 has 56 divisors (see below), whose sum is σ = 1973896992. Its totient is φ = 248678400.

The previous prime is 725314207. The next prime is 725314243. The reversal of 725314240 is 42413527.

725314240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (56).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 725314199 and 725314208.

It is not an unprimeable number, because it can be changed into a prime (725314243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 159661 + ... + 164140.

Almost surely, 2^725314240 is an apocalyptic number.

725314240 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

725314240 is an abundant number, since it is smaller than the sum of its proper divisors (1248582752).

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

725314240 is a wasteful number, since it uses less digits than its factorization.

725314240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323825 (or 323815 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 28.

The square root of 725314240 is about 26931.6586938124. The cubic root of 725314240 is about 898.4806629083.

Adding to 725314240 its reverse (42413527), we get a palindrome (767727767).

The spelling of 725314240 in words is "seven hundred twenty-five million, three hundred fourteen thousand, two hundred forty".