6628473 has 40 divisors (see below), whose sum is σ = 10744800. Its totient is φ = 4059072.

The previous prime is 6628423. The next prime is 6628477. The reversal of 6628473 is 3748266.

It is not a de Polignac number, because 6628473 - 2⁶ = 6628409 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (6628477) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 90765 + ... + 90837.

It is an arithmetic number, because the mean of its divisors is an integer number (268620).

Almost surely, 2^6628473 is an apocalyptic number.

It is an amenable number.

6628473 is a deficient number, since it is larger than the sum of its proper divisors (4116327).

6628473 is a wasteful number, since it uses less digits than its factorization.

6628473 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 163 (or 154 counting only the distinct ones).

The product of its digits is 48384, while the sum is 36.

The square root of 6628473 is about 2574.5821020119. The cubic root of 6628473 is about 187.8471010481.

The spelling of 6628473 in words is "six million, six hundred twenty-eight thousand, four hundred seventy-three".