6475220 has 18 divisors (see below), whose sum is σ = 13621902. Its totient is φ = 2585536.

The previous prime is 6475177. The next prime is 6475223. The reversal of 6475220 is 225746.

6475220 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 13456 + 6461764 = 116^2 + 2542^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6475220.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6475223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 11096 + ... + 11664.

Almost surely, 2^6475220 is an apocalyptic number.

It is an amenable number.

6475220 is an abundant number, since it is smaller than the sum of its proper divisors (7146682).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6475220 is an equidigital number, since it uses as much as digits as its factorization.

6475220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 576 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 6475220 is about 2544.6453583948. The cubic root of 6475220 is about 186.3880978113.

The spelling of 6475220 in words is "six million, four hundred seventy-five thousand, two hundred twenty".