2745616 has 20 divisors (see below), whose sum is σ = 5358412. Its totient is φ = 1362816.

The previous prime is 2745607. The next prime is 2745637. The reversal of 2745616 is 6165472.

It is a happy number.

2745616 is digitally balanced in base 5, 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 2 ways, for example, as 1971216 + 774400 = 1404^2 + 880^2 .

It is an alternating number because its digits alternate between even and odd.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1966 + ... + 3058.

2^2745616 is an apocalyptic number.

It is an amenable number.

2745616 is a deficient number, since it is larger than the sum of its proper divisors (2612796).

2745616 is a wasteful number, since it uses less digits than its factorization.

2745616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258 (or 1252 counting only the distinct ones).

The product of its digits is 10080, while the sum is 31.

The square root of 2745616 is about 1656.9900422151. The cubic root of 2745616 is about 140.0274775999.

It can be divided in two parts, 27456 and 16, that added together give a palindrome (27472).

The spelling of 2745616 in words is "two million, seven hundred forty-five thousand, six hundred sixteen".