625244704 has 144 divisors (see below), whose sum is σ = 1558206720. Its totient is φ = 245306880.

The previous prime is 625244689. The next prime is 625244743. The reversal of 625244704 is 407442526.

It is a self number, because there is not a number n which added to its sum of digits gives 625244704.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 923214 + ... + 923890.

It is an arithmetic number, because the mean of its divisors is an integer number (10820880).

Almost surely, 2^625244704 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 625244704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (779103360).

625244704 is an abundant number, since it is smaller than the sum of its proper divisors (932962016).

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

625244704 is a wasteful number, since it uses less digits than its factorization.

625244704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 34.

The square root of 625244704 is about 25004.8936010534. The cubic root of 625244704 is about 855.0995422333.

The spelling of 625244704 in words is "six hundred twenty-five million, two hundred forty-four thousand, seven hundred four".