2725880 has 16 divisors (see below), whose sum is σ = 6133320. Its totient is φ = 1090336.

The previous prime is 2725871. The next prime is 2725897. The reversal of 2725880 is 885272.

2725880 = T₃₄₉ + T₃₅₀ + ... + T₃₈₈.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34034 + ... + 34113.

2^2725880 is an apocalyptic number.

2725880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2725880 is an abundant number, since it is smaller than the sum of its proper divisors (3407440).

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

2725880 is a wasteful number, since it uses less digits than its factorization.

2725880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68158 (or 68154 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 32.

The square root of 2725880 is about 1651.0239247207. The cubic root of 2725880 is about 139.6911559166.

The spelling of 2725880 in words is "two million, seven hundred twenty-five thousand, eight hundred eighty".