6855472 has 40 divisors (see below), whose sum is σ = 14936544. Its totient is φ = 3024384.

The previous prime is 6855463. The next prime is 6855479. The reversal of 6855472 is 2745586.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (6855479) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4068 + ... + 5500.

Almost surely, 2^6855472 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6855472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7468272).

6855472 is an abundant number, since it is smaller than the sum of its proper divisors (8081072).

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

6855472 is a wasteful number, since it uses less digits than its factorization.

6855472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477 (or 1471 counting only the distinct ones).

The product of its digits is 67200, while the sum is 37.

The square root of 6855472 is about 2618.2956288395. The cubic root of 6855472 is about 189.9674182358.

The spelling of 6855472 in words is "six million, eight hundred fifty-five thousand, four hundred seventy-two".