2721760801 has 4 divisors (see below), whose sum is σ = 2767892400. Its totient is φ = 2675629204.

The previous prime is 2721760793. The next prime is 2721760829. The reversal of 2721760801 is 1080671272.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2721760801 - 2³ = 2721760793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2721760861) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 23065711 + ... + 23065828.

It is an arithmetic number, because the mean of its divisors is an integer number (691973100).

Almost surely, 2^2721760801 is an apocalyptic number.

It is an amenable number.

2721760801 is a deficient number, since it is larger than the sum of its proper divisors (46131599).

2721760801 is an equidigital number, since it uses as much as digits as its factorization.

2721760801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46131598.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 2721760801 is about 52170.4974195186. The cubic root of 2721760801 is about 1396.2075592853.

The spelling of 2721760801 in words is "two billion, seven hundred twenty-one million, seven hundred sixty thousand, eight hundred one".