6857472 has 36 divisors (see below), whose sum is σ = 18252920. Its totient is φ = 2285568.

The previous prime is 6857471. The next prime is 6857489. The reversal of 6857472 is 2747586.

It is a self number, because there is not a number n which added to its sum of digits gives 6857472.

It is not an unprimeable number, because it can be changed into a prime (6857471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3697 + ... + 5232.

Almost surely, 2^6857472 is an apocalyptic number.

It is an amenable number.

6857472 is an abundant number, since it is smaller than the sum of its proper divisors (11395448).

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

6857472 is an equidigital number, since it uses as much as digits as its factorization.

6857472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8948 (or 8934 counting only the distinct ones).

The product of its digits is 94080, while the sum is 39.

The square root of 6857472 is about 2618.6775288302. The cubic root of 6857472 is about 189.9858899956.

The spelling of 6857472 in words is "six million, eight hundred fifty-seven thousand, four hundred seventy-two".