625704 has 48 divisors (see below), whose sum is σ = 1672320. Its totient is φ = 194880.

The previous prime is 625699. The next prime is 625763. The reversal of 625704 is 407526.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 625704.

It is an unprimeable number.

625704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20169 + ... + 20199.

It is an arithmetic number, because the mean of its divisors is an integer number (34840).

2⁶²⁵⁷⁰⁴ 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 625704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (836160).

625704 is an abundant number, since it is smaller than the sum of its proper divisors (1046616).

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

625704 is a wasteful number, since it uses less digits than its factorization.

625704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98 (or 65 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 625704 is about 791.0145384252. The cubic root of 625704 is about 85.5308872366.

The spelling of 625704 in words is "six hundred twenty-five thousand, seven hundred four".