2721684072 has 16 divisors (see below), whose sum is σ = 6804210240. Its totient is φ = 907228016.

The previous prime is 2721684061. The next prime is 2721684151. The reversal of 2721684072 is 2704861272.

It is a self number, because there is not a number n which added to its sum of digits gives 2721684072.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56701728 + ... + 56701775.

It is an arithmetic number, because the mean of its divisors is an integer number (425263140).

Almost surely, 2^2721684072 is an apocalyptic number.

It is an amenable number.

2721684072 is an abundant number, since it is smaller than the sum of its proper divisors (4082526168).

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

2721684072 is a wasteful number, since it uses less digits than its factorization.

2721684072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113403512 (or 113403508 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 39.

The square root of 2721684072 is about 52169.7620466109. The cubic root of 2721684072 is about 1396.1944390267.

The spelling of 2721684072 in words is "two billion, seven hundred twenty-one million, six hundred eighty-four thousand, seventy-two".