2725656 has 24 divisors (see below), whose sum is σ = 6834420. Its totient is φ = 905856.

The previous prime is 2725649. The next prime is 2725669. The reversal of 2725656 is 6565272.

It is a tau number, because it is divible by the number of its divisors (24).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7920 + ... + 8256.

2^2725656 is an apocalyptic number.

It is an amenable number.

2725656 is an abundant number, since it is smaller than the sum of its proper divisors (4108764).

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

2725656 is an equidigital number, since it uses as much as digits as its factorization.

2725656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 683 (or 342 counting only the distinct ones).

The product of its digits is 25200, while the sum is 33.

The square root of 2725656 is about 1650.9560866359. The cubic root of 2725656 is about 139.6873294244.

The spelling of 2725656 in words is "two million, seven hundred twenty-five thousand, six hundred fifty-six".