2871521072 has 240 divisors, whose sum is σ = 7256678400. Its totient is φ = 1075576320.

The previous prime is 2871521069. The next prime is 2871521077. The reversal of 2871521072 is 2701251782.

It is not an unprimeable number, because it can be changed into a prime (2871521077) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 36348329 + ... + 36348407.

It is an arithmetic number, because the mean of its divisors is an integer number (30236160).

Almost surely, 2^2871521072 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2871521072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3628339200).

2871521072 is an abundant number, since it is smaller than the sum of its proper divisors (4385157328).

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

2871521072 is a wasteful number, since it uses less digits than its factorization.

2871521072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 167 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 35.

The square root of 2871521072 is about 53586.5754830443. The cubic root of 2871521072 is about 1421.3597159098.

The spelling of 2871521072 in words is "two billion, eight hundred seventy-one million, five hundred twenty-one thousand, seventy-two".