625785270 has 64 divisors (see below), whose sum is σ = 1666241280. Its totient is φ = 149129600.

The previous prime is 625785263. The next prime is 625785271. The reversal of 625785270 is 72587526.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (625785271) 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, 3400 + ... + 35540.

It is an arithmetic number, because the mean of its divisors is an integer number (26035020).

Almost surely, 2^625785270 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 625785270, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (833120640).

625785270 is an abundant number, since it is smaller than the sum of its proper divisors (1040456010).

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

625785270 is a wasteful number, since it uses less digits than its factorization.

625785270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32221.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 625785270 is about 25015.7004699049. The cubic root of 625785270 is about 855.3459015591.

The spelling of 625785270 in words is "six hundred twenty-five million, seven hundred eighty-five thousand, two hundred seventy".