6473818 has 16 divisors (see below), whose sum is σ = 10714536. Its totient is φ = 2914560.

The previous prime is 6473807. The next prime is 6473843. The reversal of 6473818 is 8183746.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4214809 + 2259009 = 2053^2 + 1503^2 .

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, 1971 + ... + 4102.

Almost surely, 2^6473818 is an apocalyptic number.

6473818 is a deficient number, since it is larger than the sum of its proper divisors (4240718).

6473818 is a wasteful number, since it uses less digits than its factorization.

6473818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6129.

The product of its digits is 32256, while the sum is 37.

The square root of 6473818 is about 2544.3698630506. The cubic root of 6473818 is about 186.3746447304.

It can be divided in two parts, 647 and 3818, that added together give a triangular number (4465 = T₉₄).

The spelling of 6473818 in words is "six million, four hundred seventy-three thousand, eight hundred eighteen".