625744616 has 16 divisors (see below), whose sum is σ = 1340881440. Its totient is φ = 268176240.

The previous prime is 625744597. The next prime is 625744627. The reversal of 625744616 is 616447526.

It is a happy number.

It is a plaindrome in base 12.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5586950 + ... + 5587061.

It is an arithmetic number, because the mean of its divisors is an integer number (83805090).

Almost surely, 2^625744616 is an apocalyptic number.

It is an amenable number.

625744616 is an abundant number, since it is smaller than the sum of its proper divisors (715136824).

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

625744616 is a wasteful number, since it uses less digits than its factorization.

625744616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11174024 (or 11174020 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 625744616 is about 25014.8878870164. The cubic root of 625744616 is about 855.3273787063.

The spelling of 625744616 in words is "six hundred twenty-five million, seven hundred forty-four thousand, six hundred sixteen".