2721002664 has 32 divisors (see below), whose sum is σ = 6804493920. Its totient is φ = 906735936.

The previous prime is 2721002653. The next prime is 2721002689. The reversal of 2721002664 is 4662001272.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 78427 + ... + 107669.

It is an arithmetic number, because the mean of its divisors is an integer number (212640435).

Almost surely, 2^2721002664 is an apocalyptic number.

2721002664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2721002664 is an abundant number, since it is smaller than the sum of its proper divisors (4083491256).

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

2721002664 is a wasteful number, since it uses less digits than its factorization.

2721002664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33129 (or 33125 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 2721002664 is about 52163.2309582142. The cubic root of 2721002664 is about 1396.0779109945.

The spelling of 2721002664 in words is "two billion, seven hundred twenty-one million, two thousand, six hundred sixty-four".