2721331032 has 192 divisors, whose sum is σ = 8651888640. Its totient is φ = 708019200.

The previous prime is 2721331021. The next prime is 2721331033. The reversal of 2721331032 is 2301331272.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 2721330993 and 2721331011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2721331033) 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, 617557 + ... + 621947.

It is an arithmetic number, because the mean of its divisors is an integer number (45061920).

Almost surely, 2^2721331032 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 2721331032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4325944320).

2721331032 is an abundant number, since it is smaller than the sum of its proper divisors (5930557608).

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

2721331032 is a wasteful number, since it uses less digits than its factorization.

2721331032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4462 (or 4451 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 24.

The square root of 2721331032 is about 52166.3783676805. The cubic root of 2721331032 is about 1396.1340678514.

The spelling of 2721331032 in words is "two billion, seven hundred twenty-one million, three hundred thirty-one thousand, thirty-two".