725886824 has 64 divisors (see below), whose sum is σ = 1538234880. Its totient is φ = 318816000.

The previous prime is 725886803. The next prime is 725886841. The reversal of 725886824 is 428688527.

It is a happy 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 15 ways as a sum of consecutive naturals, for example, 194819 + ... + 198509.

It is an arithmetic number, because the mean of its divisors is an integer number (24034920).

Almost surely, 2^725886824 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 725886824, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (769117440).

725886824 is an abundant number, since it is smaller than the sum of its proper divisors (812348056).

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

725886824 is a wasteful number, since it uses less digits than its factorization.

725886824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802 (or 3798 counting only the distinct ones).

The product of its digits is 1720320, while the sum is 50.

The square root of 725886824 is about 26942.2869110994. The cubic root of 725886824 is about 898.7170295788.

The spelling of 725886824 in words is "seven hundred twenty-five million, eight hundred eighty-six thousand, eight hundred twenty-four".