2721446872 has 8 divisors (see below), whose sum is σ = 5102712900. Its totient is φ = 1360723432.

The previous prime is 2721446831. The next prime is 2721446899. The reversal of 2721446872 is 2786441272.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 170090422 + ... + 170090437.

Almost surely, 2^2721446872 is an apocalyptic number.

It is an amenable number.

2721446872 is a deficient number, since it is larger than the sum of its proper divisors (2381266028).

2721446872 is a wasteful number, since it uses less digits than its factorization.

2721446872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340180865 (or 340180861 counting only the distinct ones).

The product of its digits is 301056, while the sum is 43.

The square root of 2721446872 is about 52167.4886495411. The cubic root of 2721446872 is about 1396.1538775051.

The spelling of 2721446872 in words is "two billion, seven hundred twenty-one million, four hundred forty-six thousand, eight hundred seventy-two".