2732475721920 has 896 divisors, whose sum is σ = 10605377986560. Its totient is φ = 582200524800.

The previous prime is 2732475721889. The next prime is 2732475721931. The reversal of 2732475721920 is 291275742372.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 4249573119 + ... + 4249573761.

It is an arithmetic number, because the mean of its divisors is an integer number (11836359360).

Almost surely, 2^{2732475721920} is an apocalyptic number.

2732475721920 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 2732475721920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5302688993280).

2732475721920 is an abundant number, since it is smaller than the sum of its proper divisors (7872902264640).

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

2732475721920 is a wasteful number, since it uses less digits than its factorization.

2732475721920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1173 (or 1163 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 51.

The spelling of 2732475721920 in words is "two trillion, seven hundred thirty-two billion, four hundred seventy-five million, seven hundred twenty-one thousand, nine hundred twenty".