2756741 has 4 divisors (see below), whose sum is σ = 2968812. Its totient is φ = 2544672.

The previous prime is 2756731. The next prime is 2756749. The reversal of 2756741 is 1476572.

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

It can be written as a sum of positive squares in 2 ways, for example, as 592900 + 2163841 = 770^2 + 1471^2 .

It is not a de Polignac number, because 2756741 - 2¹⁴ = 2740357 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2756698 and 2756707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2756749) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 106016 + ... + 106041.

It is an arithmetic number, because the mean of its divisors is an integer number (742203).

2^2756741 is an apocalyptic number.

It is an amenable number.

2756741 is a deficient number, since it is larger than the sum of its proper divisors (212071).

2756741 is a wasteful number, since it uses less digits than its factorization.

2756741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212070.

The product of its digits is 11760, while the sum is 32.

The square root of 2756741 is about 1660.3436391302. The cubic root of 2756741 is about 140.2163491658.

It can be divided in two parts, 275 and 6741, that multiplied together give a triangular number (1853775 = T₁₉₂₅).

The spelling of 2756741 in words is "two million, seven hundred fifty-six thousand, seven hundred forty-one".