2577668 has 12 divisors (see below), whose sum is σ = 4607232. Its totient is φ = 1261320.

The previous prime is 2577667. The next prime is 2577671. The reversal of 2577668 is 8667752.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2577661) 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, 6668 + ... + 7043.

It is an arithmetic number, because the mean of its divisors is an integer number (383936).

2^2577668 is an apocalyptic number.

It is an amenable number.

2577668 is a deficient number, since it is larger than the sum of its proper divisors (2029564).

2577668 is a wasteful number, since it uses less digits than its factorization.

2577668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13762 (or 13760 counting only the distinct ones).

The product of its digits is 141120, while the sum is 41.

The square root of 2577668 is about 1605.5117564191. The cubic root of 2577668 is about 137.1120613309.

The spelling of 2577668 in words is "two million, five hundred seventy-seven thousand, six hundred sixty-eight".