2721013724 has 48 divisors (see below), whose sum is σ = 5618951520. Its totient is φ = 1136643840.

The previous prime is 2721013717. The next prime is 2721013733. The reversal of 2721013724 is 4273101272.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 120602 + ... + 141374.

It is an arithmetic number, because the mean of its divisors is an integer number (117061490).

Almost surely, 2^2721013724 is an apocalyptic number.

It is an amenable number.

2721013724 is an abundant number, since it is smaller than the sum of its proper divisors (2897937796).

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

2721013724 is a wasteful number, since it uses less digits than its factorization.

2721013724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21030 (or 21028 counting only the distinct ones).

The product of its (nonzero) digits is 4704, while the sum is 29.

The square root of 2721013724 is about 52163.3369714783. The cubic root of 2721013724 is about 1396.0798025277.

Adding to 2721013724 its reverse (4273101272), we get a palindrome (6994114996).

The spelling of 2721013724 in words is "two billion, seven hundred twenty-one million, thirteen thousand, seven hundred twenty-four".