2730120 has 32 divisors (see below), whose sum is σ = 8190720. Its totient is φ = 728000.

The previous prime is 2730109. The next prime is 2730121. The reversal of 2730120 is 210372.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a self number, because there is not a number n which added to its sum of digits gives 2730120.

It is not an unprimeable number, because it can be changed into a prime (2730121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11256 + ... + 11495.

It is an arithmetic number, because the mean of its divisors is an integer number (255960).

2^2730120 is an apocalyptic number.

2730120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2730120 is an abundant number, since it is smaller than the sum of its proper divisors (5460600).

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

2730120 is a wasteful number, since it uses less digits than its factorization.

2730120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22765 (or 22761 counting only the distinct ones).

The product of its (nonzero) digits is 84, while the sum is 15.

The square root of 2730120 is about 1652.3074774387. The cubic root of 2730120 is about 139.7635464439.

Adding to 2730120 its reverse (210372), we get a palindrome (2940492).

It can be divided in two parts, 2730 and 120, that added together give a triangular number (2850 = T₇₅).

The spelling of 2730120 in words is "two million, seven hundred thirty thousand, one hundred twenty".