625728288 has 24 divisors (see below), whose sum is σ = 1642537008. Its totient is φ = 208576064.

The previous prime is 625728287. The next prime is 625728329. The reversal of 625728288 is 882827526.

625728288 is nontrivially palindromic in base 15.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (625728283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3258906 + ... + 3259097.

It is an arithmetic number, because the mean of its divisors is an integer number (68439042).

Almost surely, 2^625728288 is an apocalyptic number.

It is an amenable number.

625728288 is an abundant number, since it is smaller than the sum of its proper divisors (1016808720).

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

625728288 is a wasteful number, since it uses less digits than its factorization.

625728288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6518016 (or 6518008 counting only the distinct ones).

The product of its digits is 860160, while the sum is 48.

The square root of 625728288 is about 25014.5615192431. The cubic root of 625728288 is about 855.3199390861.

The spelling of 625728288 in words is "six hundred twenty-five million, seven hundred twenty-eight thousand, two hundred eighty-eight".