571440072 has 64 divisors (see below), whose sum is σ = 1670676480. Its totient is φ = 159469632.

The previous prime is 571440071. The next prime is 571440097. The reversal of 571440072 is 270044175.

571440072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (571440071) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32328 + ... + 46775.

It is an arithmetic number, because the mean of its divisors is an integer number (26104320).

Almost surely, 2^571440072 is an apocalyptic number.

It is an amenable number.

571440072 is an abundant number, since it is smaller than the sum of its proper divisors (1099236408).

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

571440072 is a wasteful number, since it uses less digits than its factorization.

571440072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79162 (or 79158 counting only the distinct ones).

The product of its (nonzero) digits is 7840, while the sum is 30.

The square root of 571440072 is about 23904.8127371875. The cubic root of 571440072 is about 829.8321003585.

The spelling of 571440072 in words is "five hundred seventy-one million, four hundred forty thousand, seventy-two".