2725766 has 4 divisors (see below), whose sum is σ = 4088652. Its totient is φ = 1362882.

The previous prime is 2725711. The next prime is 2725769. The reversal of 2725766 is 6675272.

It is a happy number.

2725766 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2725769) 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, 681440 + ... + 681443.

It is an arithmetic number, because the mean of its divisors is an integer number (1022163).

2^2725766 is an apocalyptic number.

2725766 is a deficient number, since it is larger than the sum of its proper divisors (1362886).

2725766 is a wasteful number, since it uses less digits than its factorization.

2725766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1362885.

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

The square root of 2725766 is about 1650.9894003294. The cubic root of 2725766 is about 139.6892085316.

Adding to 2725766 its sum of digits (35), we get a square (2725801 = 1651²).

The spelling of 2725766 in words is "two million, seven hundred twenty-five thousand, seven hundred sixty-six".