2742772 has 12 divisors (see below), whose sum is σ = 4850020. Its totient is φ = 1357056.

The previous prime is 2742769. The next prime is 2742781. The reversal of 2742772 is 2772472.

It can be written as a sum of positive squares in 2 ways, for example, as 1094116 + 1648656 = 1046^2 + 1284^2 .

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, 3147 + ... + 3922.

2^2742772 is an apocalyptic number.

It is an amenable number.

2742772 is a deficient number, since it is larger than the sum of its proper divisors (2107248).

2742772 is a wasteful number, since it uses less digits than its factorization.

2742772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7170 (or 7168 counting only the distinct ones).

The product of its digits is 10976, while the sum is 31.

The square root of 2742772 is about 1656.1316372801. The cubic root of 2742772 is about 139.9791125301.

It can be divided in two parts, 274 and 2772, that multiplied together give a triangular number (759528 = T₁₂₃₂).

The spelling of 2742772 in words is "two million, seven hundred forty-two thousand, seven hundred seventy-two".