2573668 has 12 divisors (see below), whose sum is σ = 4517100. Its totient is φ = 1283072.

The previous prime is 2573657. The next prime is 2573689. The reversal of 2573668 is 8663752.

It can be written as a sum of positive squares in 2 ways, for example, as 1871424 + 702244 = 1368^2 + 838^2 .

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, 1080 + ... + 2512.

It is an arithmetic number, because the mean of its divisors is an integer number (376425).

2^2573668 is an apocalyptic number.

It is an amenable number.

2573668 is a deficient number, since it is larger than the sum of its proper divisors (1943432).

2573668 is a wasteful number, since it uses less digits than its factorization.

2573668 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1886 (or 1884 counting only the distinct ones).

The product of its digits is 60480, while the sum is 37.

The square root of 2573668 is about 1604.2655640510. The cubic root of 2573668 is about 137.0411015613.

The spelling of 2573668 in words is "two million, five hundred seventy-three thousand, six hundred sixty-eight".