725143320 has 384 divisors, whose sum is σ = 2757888000. Its totient is φ = 169171200.

The previous prime is 725143301. The next prime is 725143327. The reversal of 725143320 is 23341527.

725143320 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 (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725143327) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4050991 + ... + 4051169.

It is an arithmetic number, because the mean of its divisors is an integer number (7182000).

Almost surely, 2^725143320 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 725143320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1378944000).

725143320 is an abundant number, since it is smaller than the sum of its proper divisors (2032744680).

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

725143320 is a wasteful number, since it uses less digits than its factorization.

725143320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 252 (or 231 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 725143320 is about 26928.4852897448. The cubic root of 725143320 is about 898.4100818320.

Adding to 725143320 its reverse (23341527), we get a palindrome (748484847).

The spelling of 725143320 in words is "seven hundred twenty-five million, one hundred forty-three thousand, three hundred twenty".