2750564 has 6 divisors (see below), whose sum is σ = 4813494. Its totient is φ = 1375280.

The previous prime is 2750557. The next prime is 2750569. The reversal of 2750564 is 4650572.

2750564 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 only one way, i.e., 2748964 + 1600 = 1658^2 + 40^2 .

It is not an unprimeable number, because it can be changed into a prime (2750569) 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 as a sum of consecutive naturals, namely, 343817 + ... + 343824.

It is an arithmetic number, because the mean of its divisors is an integer number (802249).

2^2750564 is an apocalyptic number.

It is an amenable number.

2750564 is a deficient number, since it is larger than the sum of its proper divisors (2062930).

2750564 is a wasteful number, since it uses less digits than its factorization.

2750564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 687645 (or 687643 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The square root of 2750564 is about 1658.4824388579. The cubic root of 2750564 is about 140.1115437580. Note that the first 3 decimals are identical.

The spelling of 2750564 in words is "two million, seven hundred fifty thousand, five hundred sixty-four".