2720766 has 8 divisors (see below), whose sum is σ = 5441544. Its totient is φ = 906920.

The previous prime is 2720747. The next prime is 2720789. The reversal of 2720766 is 6670272.

It is a sphenic number, since it is the product of 3 distinct primes.

2720766 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 226725 + ... + 226736.

It is an arithmetic number, because the mean of its divisors is an integer number (680193).

2^2720766 is an apocalyptic number.

2720766 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2720766 is a wasteful number, since it uses less digits than its factorization.

2720766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 453466.

The product of its (nonzero) digits is 7056, while the sum is 30.

The square root of 2720766 is about 1649.4744617605. The cubic root of 2720766 is about 139.6037434376.

It can be divided in two parts, 2720 and 766, that added together give a triangular number (3486 = T₈₃).

The spelling of 2720766 in words is "two million, seven hundred twenty thousand, seven hundred sixty-six".