725144160 has 192 divisors, whose sum is σ = 2492743680. Its totient is φ = 176117760.

The previous prime is 725144141. The next prime is 725144171. The reversal of 725144160 is 61441527.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 492225 + ... + 493695.

It is an arithmetic number, because the mean of its divisors is an integer number (12983040).

Almost surely, 2^725144160 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 725144160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1246371840).

725144160 is an abundant number, since it is smaller than the sum of its proper divisors (1767599520).

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

725144160 is a wasteful number, since it uses less digits than its factorization.

725144160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1581 (or 1573 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 725144160 is about 26928.5008866071. The cubic root of 725144160 is about 898.4104287354.

Adding to 725144160 its reverse (61441527), we get a palindrome (786585687).

The spelling of 725144160 in words is "seven hundred twenty-five million, one hundred forty-four thousand, one hundred sixty".