2721007244 has 12 divisors (see below), whose sum is σ = 4925961600. Its totient is φ = 1313589648.

The previous prime is 2721007241. The next prime is 2721007307. The reversal of 2721007244 is 4427001272.

It is a Harshad number since it is a multiple of its sum of digits (29).

It is not an unprimeable number, because it can be changed into a prime (2721007241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11728364 + ... + 11728595.

It is an arithmetic number, because the mean of its divisors is an integer number (410496800).

Almost surely, 2^2721007244 is an apocalyptic number.

It is an amenable number.

2721007244 is a deficient number, since it is larger than the sum of its proper divisors (2204954356).

2721007244 is a wasteful number, since it uses less digits than its factorization.

2721007244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23456992 (or 23456990 counting only the distinct ones).

The product of its (nonzero) digits is 6272, while the sum is 29.

The square root of 2721007244 is about 52163.2748588506. The cubic root of 2721007244 is about 1396.0786942882.

The spelling of 2721007244 in words is "two billion, seven hundred twenty-one million, seven thousand, two hundred forty-four".