2721670003 has 4 divisors (see below), whose sum is σ = 2931029248. Its totient is φ = 2512310760.

The previous prime is 2721669983. The next prime is 2721670033. The reversal of 2721670003 is 3000761272.

2721670003 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2721670003 - 2⁹ = 2721669491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2721670033) 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, 104679603 + ... + 104679628.

It is an arithmetic number, because the mean of its divisors is an integer number (732757312).

Almost surely, 2^2721670003 is an apocalyptic number.

2721670003 is a deficient number, since it is larger than the sum of its proper divisors (209359245).

2721670003 is a wasteful number, since it uses less digits than its factorization.

2721670003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209359244.

The product of its (nonzero) digits is 3528, while the sum is 28.

The square root of 2721670003 is about 52169.6272077921. The cubic root of 2721670003 is about 1396.1920332744.

The spelling of 2721670003 in words is "two billion, seven hundred twenty-one million, six hundred seventy thousand, three".