2742736 has 40 divisors (see below), whose sum is σ = 5640264. Its totient is φ = 1290240.

The previous prime is 2742721. The next prime is 2742737. The reversal of 2742736 is 6372472.

It is a happy number.

2742736 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 400 + 2742336 = 20^2 + 1656^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2742698 and 2742707.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2742737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24216 + ... + 24328.

2^2742736 is an apocalyptic number.

It is an amenable number.

2742736 is an abundant number, since it is smaller than the sum of its proper divisors (2897528).

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

2742736 is a wasteful number, since it uses less digits than its factorization.

2742736 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 199 (or 193 counting only the distinct ones).

The product of its digits is 14112, while the sum is 31.

The square root of 2742736 is about 1656.1207685432. The cubic root of 2742736 is about 139.9785000998.

The spelling of 2742736 in words is "two million, seven hundred forty-two thousand, seven hundred thirty-six".