2725800 has 192 divisors, whose sum is σ = 10713600. Its totient is φ = 556800.

The previous prime is 2725783. The next prime is 2725817. The reversal of 2725800 is 85272.

2725800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Cunningham number, because it is equal to 1651²-1.

It is an interprime number because it is at equal distance from previous prime (2725783) and next prime (2725817).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 46171 + ... + 46229.

It is an arithmetic number, because the mean of its divisors is an integer number (55800).

2^2725800 is an apocalyptic number.

2725800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2725800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5356800).

2725800 is an abundant number, since it is smaller than the sum of its proper divisors (7987800).

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

2725800 is a wasteful number, since it uses less digits than its factorization.

2725800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96 (or 87 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 24.

The square root of 2725800 is about 1650.9996971532. Note that the first 3 decimals coincide. The cubic root of 2725800 is about 139.6897893363.

The spelling of 2725800 in words is "two million, seven hundred twenty-five thousand, eight hundred".