725684344 has 32 divisors (see below), whose sum is σ = 1696406400. Its totient is φ = 282733920.

The previous prime is 725684341. The next prime is 725684353. The reversal of 725684344 is 443486527.

It is a self number, because there is not a number n which added to its sum of digits gives 725684344.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (725684341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 588414 + ... + 589645.

It is an arithmetic number, because the mean of its divisors is an integer number (53012700).

Almost surely, 2^725684344 is an apocalyptic number.

It is an amenable number.

725684344 is an abundant number, since it is smaller than the sum of its proper divisors (970722056).

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

725684344 is a wasteful number, since it uses less digits than its factorization.

725684344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1178083 (or 1178079 counting only the distinct ones).

The product of its digits is 645120, while the sum is 43.

The square root of 725684344 is about 26938.5289873074. The cubic root of 725684344 is about 898.6334586323.

The spelling of 725684344 in words is "seven hundred twenty-five million, six hundred eighty-four thousand, three hundred forty-four".