8571472 has 90 divisors (see below), whose sum is σ = 21546798. Its totient is φ = 3273984.

The previous prime is 8571467. The next prime is 8571473. The reversal of 8571472 is 2741758.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 414736 + 8156736 = 644^2 + 2856^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8571473) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 295554 + ... + 295582.

Almost surely, 2^8571472 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 8571472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10773399).

8571472 is an abundant number, since it is smaller than the sum of its proper divisors (12975326).

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

8571472 is a wasteful number, since it uses less digits than its factorization.

8571472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93 (or 51 counting only the distinct ones).

The product of its digits is 15680, while the sum is 34.

The square root of 8571472 is about 2927.7076356768. The cubic root of 8571472 is about 204.6531672541.

The spelling of 8571472 in words is "eight million, five hundred seventy-one thousand, four hundred seventy-two".