2722709680 has 20 divisors (see below), whose sum is σ = 6330300192. Its totient is φ = 1089083840.

The previous prime is 2722709669. The next prime is 2722709683. The reversal of 2722709680 is 869072272.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is not an unprimeable number, because it can be changed into a prime (2722709683) 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, 17016856 + ... + 17017015.

Almost surely, 2^2722709680 is an apocalyptic number.

2722709680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2722709680 is an abundant number, since it is smaller than the sum of its proper divisors (3607590512).

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

2722709680 is a wasteful number, since it uses less digits than its factorization.

2722709680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34033884 (or 34033878 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 43.

The square root of 2722709680 is about 52179.5906461521. The cubic root of 2722709680 is about 1396.3697922663.

The spelling of 2722709680 in words is "two billion, seven hundred twenty-two million, seven hundred nine thousand, six hundred eighty".