625702764 has 48 divisors (see below), whose sum is σ = 1526418432. Its totient is φ = 199110912.

The previous prime is 625702739. The next prime is 625702769. The reversal of 625702764 is 467207526.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (625702769) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161757 + ... + 165579.

It is an arithmetic number, because the mean of its divisors is an integer number (31800384).

Almost surely, 2^625702764 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 625702764, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (763209216).

625702764 is an abundant number, since it is smaller than the sum of its proper divisors (900715668).

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

625702764 is a wasteful number, since it uses less digits than its factorization.

625702764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4446 (or 4444 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The square root of 625702764 is about 25014.0513312018. The cubic root of 625702764 is about 855.3083091804.

The spelling of 625702764 in words is "six hundred twenty-five million, seven hundred two thousand, seven hundred sixty-four".