6472818 has 64 divisors (see below), whose sum is σ = 16640640. Its totient is φ = 1843200.

The previous prime is 6472789. The next prime is 6472859. The reversal of 6472818 is 8182746.

6472818 is a `hidden beast` number, since 647 + 2 + 8 + 1 + 8 = 666.

It is a super-2 number, since 2×6472818² = 83794745722248, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9778 + ... + 10418.

It is an arithmetic number, because the mean of its divisors is an integer number (260010).

Almost surely, 2^6472818 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6472818, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8320320).

6472818 is an abundant number, since it is smaller than the sum of its proper divisors (10167822).

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

6472818 is a wasteful number, since it uses less digits than its factorization.

6472818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 680 (or 674 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 6472818 is about 2544.1733431510. The cubic root of 6472818 is about 186.3650479081.

It can be divided in two parts, 64728 and 18, that added together give a palindrome (64746).

The spelling of 6472818 in words is "six million, four hundred seventy-two thousand, eight hundred eighteen".