2573318772 has 36 divisors (see below), whose sum is σ = 6680586276. Its totient is φ = 834589440.

The previous prime is 2573318753. The next prime is 2573318777. The reversal of 2573318772 is 2778133752.

It is a happy number.

2573318772 is a `hidden beast` number, since 2 + 573 + 3 + 1 + 8 + 7 + 72 = 666.

2573318772 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 1873504656 + 699814116 = 43284^2 + 26454^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2573318777) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 964629 + ... + 967292.

It is an arithmetic number, because the mean of its divisors is an integer number (185571841).

Almost surely, 2^2573318772 is an apocalyptic number.

It is an amenable number.

2573318772 is an abundant number, since it is smaller than the sum of its proper divisors (4107267504).

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

2573318772 is a wasteful number, since it uses less digits than its factorization.

2573318772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1931968 (or 1931963 counting only the distinct ones).

The product of its digits is 493920, while the sum is 45.

The square root of 2573318772 is about 50727.8894889192. The cubic root of 2573318772 is about 1370.3490278785.

The spelling of 2573318772 in words is "two billion, five hundred seventy-three million, three hundred eighteen thousand, seven hundred seventy-two".