6624975 has 24 divisors (see below), whose sum is σ = 12519040. Its totient is φ = 3028320.

The previous prime is 6624973. The next prime is 6625001. The reversal of 6624975 is 5794266.

It is not a de Polignac number, because 6624975 - 2¹ = 6624973 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

6624975 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6624971) 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 23 ways as a sum of consecutive naturals, for example, 5785 + ... + 6834.

Almost surely, 2^6624975 is an apocalyptic number.

6624975 is a deficient number, since it is larger than the sum of its proper divisors (5894065).

6624975 is a wasteful number, since it uses less digits than its factorization.

6624975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12639 (or 12634 counting only the distinct ones).

The product of its digits is 90720, while the sum is 39.

The square root of 6624975 is about 2573.9026788129. The cubic root of 6624975 is about 187.8140514664.

The spelling of 6624975 in words is "six million, six hundred twenty-four thousand, nine hundred seventy-five".