2721411720 has 192 divisors, whose sum is σ = 8994585600. Its totient is φ = 713525760.

The previous prime is 2721411709. The next prime is 2721411751. The reversal of 2721411720 is 271141272.

It is a happy 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 47 ways as a sum of consecutive naturals, for example, 8750365 + ... + 8750675.

It is an arithmetic number, because the mean of its divisors is an integer number (46846800).

Almost surely, 2^2721411720 is an apocalyptic number.

2721411720 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 2721411720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4497292800).

2721411720 is an abundant number, since it is smaller than the sum of its proper divisors (6273173880).

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

2721411720 is a wasteful number, since it uses less digits than its factorization.

2721411720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 660 (or 653 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 2721411720 is about 52167.1517336341. The cubic root of 2721411720 is about 1396.1478662649.

Adding to 2721411720 its reverse (271141272), we get a palindrome (2992552992).

The spelling of 2721411720 in words is "two billion, seven hundred twenty-one million, four hundred eleven thousand, seven hundred twenty".