2768739 has 12 divisors (see below), whose sum is σ = 3925656. Its totient is φ = 1729792.

The previous prime is 2768683. The next prime is 2768767. The reversal of 2768739 is 9378672.

It is not a de Polignac number, because 2768739 - 2⁷ = 2768611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2768739.

It is not an unprimeable number, because it can be changed into a prime (2768789) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 11767 + ... + 11999.

It is an arithmetic number, because the mean of its divisors is an integer number (327138).

2^2768739 is an apocalyptic number.

2768739 is a deficient number, since it is larger than the sum of its proper divisors (1156917).

2768739 is an equidigital number, since it uses as much as digits as its factorization.

2768739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486 (or 253 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 2768739 is about 1663.9528238505. The cubic root of 2768739 is about 140.4194731961.

The spelling of 2768739 in words is "two million, seven hundred sixty-eight thousand, seven hundred thirty-nine".