6625973 has 8 divisors (see below), whose sum is σ = 6783168. Its totient is φ = 6470784.

The previous prime is 6625943. The next prime is 6625979. The reversal of 6625973 is 3795266.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6625973 - 2¹⁸ = 6363829 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6625979) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7640 + ... + 8462.

It is an arithmetic number, because the mean of its divisors is an integer number (847896).

Almost surely, 2^6625973 is an apocalyptic number.

It is an amenable number.

6625973 is a deficient number, since it is larger than the sum of its proper divisors (157195).

6625973 is an equidigital number, since it uses as much as digits as its factorization.

6625973 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1003.

The product of its digits is 68040, while the sum is 38.

The square root of 6625973 is about 2574.0965405361. The cubic root of 6625973 is about 187.8234818925.

The spelling of 6625973 in words is "six million, six hundred twenty-five thousand, nine hundred seventy-three".