2566772 has 18 divisors (see below), whose sum is σ = 4865238. Its totient is φ = 1184352.

The previous prime is 2566771. The next prime is 2566783. The reversal of 2566772 is 2776652.

It is a happy number.

2566772 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 3 ways, for example, as 274576 + 2292196 = 524^2 + 1514^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2566771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1223 + ... + 2574.

It is an arithmetic number, because the mean of its divisors is an integer number (270291).

2^2566772 is an apocalyptic number.

It is an amenable number.

2566772 is a deficient number, since it is larger than the sum of its proper divisors (2298466).

2566772 is a wasteful number, since it uses less digits than its factorization.

2566772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3827 (or 3812 counting only the distinct ones).

The product of its digits is 35280, while the sum is 35.

The square root of 2566772 is about 1602.1148523124. The cubic root of 2566772 is about 136.9185940802.

The spelling of 2566772 in words is "two million, five hundred sixty-six thousand, seven hundred seventy-two".