625972844 has 108 divisors (see below), whose sum is σ = 1390540536. Its totient is φ = 245661696.

The previous prime is 625972829. The next prime is 625972847. The reversal of 625972844 is 448279526.

It is not an unprimeable number, because it can be changed into a prime (625972847) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 2435564 + ... + 2435820.

Almost surely, 2^625972844 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 625972844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (695270268).

625972844 is an abundant number, since it is smaller than the sum of its proper divisors (764567692).

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

625972844 is a wasteful number, since it uses less digits than its factorization.

625972844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 352 (or 326 counting only the distinct ones).

The product of its digits is 967680, while the sum is 47.

The square root of 625972844 is about 25019.4493144833. The cubic root of 625972844 is about 855.4313539937.

The spelling of 625972844 in words is "six hundred twenty-five million, nine hundred seventy-two thousand, eight hundred forty-four".