625568720 has 160 divisors (see below), whose sum is σ = 1837168128. Its totient is φ = 193019904.

The previous prime is 625568707. The next prime is 625568729. The reversal of 625568720 is 27865526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625568729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 217532 + ... + 220388.

Almost surely, 2^625568720 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 625568720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (918584064).

625568720 is an abundant number, since it is smaller than the sum of its proper divisors (1211599408).

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

625568720 is a wasteful number, since it uses less digits than its factorization.

625568720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2917 (or 2911 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 41.

The square root of 625568720 is about 25011.3718136371. The cubic root of 625568720 is about 855.2472273901.

The spelling of 625568720 in words is "six hundred twenty-five million, five hundred sixty-eight thousand, seven hundred twenty".