6581472 has 48 divisors (see below), whose sum is σ = 17418240. Its totient is φ = 2175872.

The previous prime is 6581447. The next prime is 6581483. The reversal of 6581472 is 2741856.

It is a tau number, because it is divible by the number of its divisors (48).

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

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, 16993 + ... + 17375.

It is an arithmetic number, because the mean of its divisors is an integer number (362880).

Almost surely, 2^6581472 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 6581472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8709120).

6581472 is an abundant number, since it is smaller than the sum of its proper divisors (10836768).

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

6581472 is a wasteful number, since it uses less digits than its factorization.

6581472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 575 (or 567 counting only the distinct ones).

The product of its digits is 13440, while the sum is 33.

The square root of 6581472 is about 2565.4379743038. The cubic root of 6581472 is about 187.4020537326.

The spelling of 6581472 in words is "six million, five hundred eighty-one thousand, four hundred seventy-two".