2749668 has 12 divisors (see below), whose sum is σ = 6415920. Its totient is φ = 916552.

The previous prime is 2749667. The next prime is 2749679. The reversal of 2749668 is 8669472.

2749668 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×2749668² = 15121348220448, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2749667) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 114558 + ... + 114581.

It is an arithmetic number, because the mean of its divisors is an integer number (534660).

2^2749668 is an apocalyptic number.

It is an amenable number.

2749668 is an abundant number, since it is smaller than the sum of its proper divisors (3666252).

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

2749668 is a wasteful number, since it uses less digits than its factorization.

2749668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229146 (or 229144 counting only the distinct ones).

The product of its digits is 145152, while the sum is 42.

The square root of 2749668 is about 1658.2122903899. The cubic root of 2749668 is about 140.0963282631.

The spelling of 2749668 in words is "two million, seven hundred forty-nine thousand, six hundred sixty-eight".