624425472 has 240 divisors, whose sum is σ = 2001871872. Its totient is φ = 185794560.

The previous prime is 624425423. The next prime is 624425491. The reversal of 624425472 is 274524426.

624425472 is a `hidden beast` number, since 624 + 4 + 25 + 4 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

Its product of digits (107520) is a multiple of the sum of its prime divisors (240).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4916673 + ... + 4916799.

Almost surely, 2^624425472 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 624425472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1000935936).

624425472 is an abundant number, since it is smaller than the sum of its proper divisors (1377446400).

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

624425472 is a wasteful number, since it uses less digits than its factorization.

624425472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259 (or 240 counting only the distinct ones).

The product of its digits is 107520, while the sum is 36.

The square root of 624425472 is about 24988.5067981262. The cubic root of 624425472 is about 854.7259119396.

Adding to 624425472 its reverse (274524426), we get a palindrome (898949898).

The spelling of 624425472 in words is "six hundred twenty-four million, four hundred twenty-five thousand, four hundred seventy-two".