2730000 has 200 divisors, whose sum is σ = 10846528. Its totient is φ = 576000.

The previous prime is 2729983. The next prime is 2730001. The reversal of 2730000 is 372.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 5.

It is not an unprimeable number, because it can be changed into a prime (2730001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 209994 + ... + 210006.

2^2730000 is an apocalyptic number.

2730000 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 2730000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5423264).

2730000 is an abundant number, since it is smaller than the sum of its proper divisors (8116528).

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

2730000 is a wasteful number, since it uses less digits than its factorization.

2730000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51 (or 30 counting only the distinct ones).

The product of its (nonzero) digits is 42, while the sum is 12.

The square root of 2730000 is about 1652.2711641858. The cubic root of 2730000 is about 139.7614986864.

Adding to 2730000 its reverse (372), we get a palindrome (2730372).

It can be divided in two parts, 27 and 30000, that multiplied together give a 4-th power (810000 = 30⁴).

The spelling of 2730000 in words is "two million, seven hundred thirty thousand".