2756668 has 6 divisors (see below), whose sum is σ = 4824176. Its totient is φ = 1378332.

The previous prime is 2756659. The next prime is 2756671. The reversal of 2756668 is 8666572.

It is a self number, because there is not a number n which added to its sum of digits gives 2756668.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 344580 + ... + 344587.

2^2756668 is an apocalyptic number.

It is an amenable number.

2756668 is a deficient number, since it is larger than the sum of its proper divisors (2067508).

2756668 is a wasteful number, since it uses less digits than its factorization.

2756668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689171 (or 689169 counting only the distinct ones).

The product of its digits is 120960, while the sum is 40.

The square root of 2756668 is about 1660.3216555836. The cubic root of 2756668 is about 140.2151114865.

The spelling of 2756668 in words is "two million, seven hundred fifty-six thousand, six hundred sixty-eight".