6620475 has 24 divisors (see below), whose sum is σ = 11218032. Its totient is φ = 3443200.

The previous prime is 6620461. The next prime is 6620489. The reversal of 6620475 is 5740266.

It is an interprime number because it is at equal distance from previous prime (6620461) and next prime (6620489).

It is not a de Polignac number, because 6620475 - 2¹⁰ = 6619451 is a prime.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1999 + ... + 4151.

It is an arithmetic number, because the mean of its divisors is an integer number (467418).

Almost surely, 2^6620475 is an apocalyptic number.

6620475 is a deficient number, since it is larger than the sum of its proper divisors (4597557).

6620475 is a wasteful number, since it uses less digits than its factorization.

6620475 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2207 (or 2202 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 30.

The square root of 6620475 is about 2573.0283713943. The cubic root of 6620475 is about 187.7715177380.

The spelling of 6620475 in words is "six million, six hundred twenty thousand, four hundred seventy-five".