2730766 has 4 divisors (see below), whose sum is σ = 4096152. Its totient is φ = 1365382.

The previous prime is 2730751. The next prime is 2730769. The reversal of 2730766 is 6670372.

2730766 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 Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2730769) 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, 682690 + ... + 682693.

It is an arithmetic number, because the mean of its divisors is an integer number (1024038).

2^2730766 is an apocalyptic number.

2730766 is a deficient number, since it is larger than the sum of its proper divisors (1365386).

2730766 is a wasteful number, since it uses less digits than its factorization.

2730766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1365385.

The product of its (nonzero) digits is 10584, while the sum is 31.

The square root of 2730766 is about 1652.5029500730. The cubic root of 2730766 is about 139.7745691744.

The spelling of 2730766 in words is "two million, seven hundred thirty thousand, seven hundred sixty-six".