2721200 has 30 divisors (see below), whose sum is σ = 6538644. Its totient is φ = 1088320.

The previous prime is 2721197. The next prime is 2721223. The reversal of 2721200 is 21272.

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, 3002 + ... + 3801.

2^2721200 is an apocalyptic number.

2721200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2721200 is an abundant number, since it is smaller than the sum of its proper divisors (3817444).

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

2721200 is a wasteful number, since it uses less digits than its factorization.

2721200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821 (or 6810 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 2721200 is about 1649.6060135681. The cubic root of 2721200 is about 139.6111659555.

Adding to 2721200 its reverse (21272), we get a palindrome (2742472).

The spelling of 2721200 in words is "two million, seven hundred twenty-one thousand, two hundred".