571505472 has 168 divisors, whose sum is σ = 1726021440. Its totient is φ = 180449280.

The previous prime is 571505411. The next prime is 571505479. The reversal of 571505472 is 274505175.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (571505479) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2371272 + ... + 2371512.

Almost surely, 2^571505472 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 571505472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (863010720).

571505472 is an abundant number, since it is smaller than the sum of its proper divisors (1154515968).

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

571505472 is a wasteful number, since it uses less digits than its factorization.

571505472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 461 (or 448 counting only the distinct ones).

The product of its (nonzero) digits is 49000, while the sum is 36.

The square root of 571505472 is about 23906.1806234287. The cubic root of 571505472 is about 829.8637566084.

It can be divided in two parts, 57 and 1505472, that added together give a square (1505529 = 1227²).

The spelling of 571505472 in words is "five hundred seventy-one million, five hundred five thousand, four hundred seventy-two".