2721003006 has 32 divisors (see below), whose sum is σ = 5546838528. Its totient is φ = 889659680.

The previous prime is 2721003001. The next prime is 2721003023. The reversal of 2721003006 is 6003001272.

It is a happy number.

It is a super-2 number, since 2×2721003006² = 14807714717322072072, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721003001) by changing a digit.

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, 67711 + ... + 100133.

It is an arithmetic number, because the mean of its divisors is an integer number (173338704).

Almost surely, 2^2721003006 is an apocalyptic number.

2721003006 is an abundant number, since it is smaller than the sum of its proper divisors (2825835522).

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

2721003006 is a wasteful number, since it uses less digits than its factorization.

2721003006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32696.

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 2721003006 is about 52163.2342363853. The cubic root of 2721003006 is about 1396.0779694850.

Adding to 2721003006 its reverse (6003001272), we get a palindrome (8724004278).

The spelling of 2721003006 in words is "two billion, seven hundred twenty-one million, three thousand, six".