2748771 has 6 divisors (see below), whose sum is σ = 3970460. Its totient is φ = 1832508.

The previous prime is 2748769. The next prime is 2748803. The reversal of 2748771 is 1778472.

It is not a de Polignac number, because 2748771 - 2¹ = 2748769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2748731) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 152701 + ... + 152718.

2^2748771 is an apocalyptic number.

2748771 is a deficient number, since it is larger than the sum of its proper divisors (1221689).

2748771 is a wasteful number, since it uses less digits than its factorization.

2748771 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305425 (or 305422 counting only the distinct ones).

The product of its digits is 21952, while the sum is 36.

The square root of 2748771 is about 1657.9417963246. The cubic root of 2748771 is about 140.0810924754.

Subtracting from 2748771 its reverse (1778472), we obtain a cube (970299 = 99³).

It can be divided in two parts, 274 and 8771, that added together give a triangular number (9045 = T₁₃₄).

The spelling of 2748771 in words is "two million, seven hundred forty-eight thousand, seven hundred seventy-one".