6809472 has 96 divisors (see below), whose sum is σ = 20526480. Its totient is φ = 2162688.

The previous prime is 6809459. The next prime is 6809483. The reversal of 6809472 is 2749086.

6809472 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26368 + ... + 26624.

Almost surely, 2^6809472 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 6809472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10263240).

6809472 is an abundant number, since it is smaller than the sum of its proper divisors (13717008).

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

6809472 is a wasteful number, since it uses less digits than its factorization.

6809472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 285 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 6809472 is about 2609.4965031592. The cubic root of 6809472 is about 189.5415725538.

The spelling of 6809472 in words is "six million, eight hundred nine thousand, four hundred seventy-two".