6556474 has 16 divisors (see below), whose sum is σ = 10351656. Its totient is φ = 3110400.

The previous prime is 6556439. The next prime is 6556483. The reversal of 6556474 is 4746556.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5640625 + 915849 = 2375^2 + 957^2 .

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1954 + ... + 4114.

Almost surely, 2^6556474 is an apocalyptic number.

6556474 is a deficient number, since it is larger than the sum of its proper divisors (3795182).

6556474 is a wasteful number, since it uses less digits than its factorization.

6556474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2241.

The product of its digits is 100800, while the sum is 37.

The square root of 6556474 is about 2560.5612665976. The cubic root of 6556474 is about 187.1644868044.

The spelling of 6556474 in words is "six million, five hundred fifty-six thousand, four hundred seventy-four".