624145473 has 64 divisors (see below), whose sum is σ = 1099929600. Its totient is φ = 342377280.

The previous prime is 624145427. The next prime is 624145481. The reversal of 624145473 is 374541426.

It is not a de Polignac number, because 624145473 - 2¹⁰ = 624144449 is a prime.

It is not an unprimeable number, because it can be changed into a prime (624105473) by changing a digit.

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 63 ways as a sum of consecutive naturals, for example, 495118 + ... + 496376.

It is an arithmetic number, because the mean of its divisors is an integer number (17186400).

Almost surely, 2^624145473 is an apocalyptic number.

624145473 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

624145473 is a deficient number, since it is larger than the sum of its proper divisors (475784127).

624145473 is a wasteful number, since it uses less digits than its factorization.

624145473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1373 counting only the distinct ones).

The product of its digits is 80640, while the sum is 36.

The square root of 624145473 is about 24982.9036142719. The cubic root of 624145473 is about 854.5981367863.

Adding to 624145473 its reverse (374541426), we get a palindrome (998686899).

The spelling of 624145473 in words is "six hundred twenty-four million, one hundred forty-five thousand, four hundred seventy-three".