2837872720 has 80 divisors (see below), whose sum is σ = 6984552960. Its totient is φ = 1070479872.

The previous prime is 2837872669. The next prime is 2837872721. The reversal of 2837872720 is 272787382.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2837872721) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85537 + ... + 113983.

It is an arithmetic number, because the mean of its divisors is an integer number (87306912).

Almost surely, 2^2837872720 is an apocalyptic number.

2837872720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2837872720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3492276480).

2837872720 is an abundant number, since it is smaller than the sum of its proper divisors (4146680240).

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

2837872720 is a wasteful number, since it uses less digits than its factorization.

2837872720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28532 (or 28526 counting only the distinct ones).

The product of its (nonzero) digits is 526848, while the sum is 46.

The square root of 2837872720 is about 53271.6877900447. The cubic root of 2837872720 is about 1415.7860790608.

The spelling of 2837872720 in words is "two billion, eight hundred thirty-seven million, eight hundred seventy-two thousand, seven hundred twenty".