2732257020721 has 8 divisors (see below), whose sum is σ = 2796062924864. Its totient is φ = 2668463164080.

The previous prime is 2732257020631. The next prime is 2732257020737. The reversal of 2732257020721 is 1270207522372.

2732257020721 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 2732257020721 - 2¹⁹ = 2732256496433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2732257020751) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2552190 + ... + 3460951.

It is an arithmetic number, because the mean of its divisors is an integer number (349507865608).

Almost surely, 2^{2732257020721} is an apocalyptic number.

It is an amenable number.

2732257020721 is a deficient number, since it is larger than the sum of its proper divisors (63805904143).

2732257020721 is a wasteful number, since it uses less digits than its factorization.

2732257020721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6023751.

The product of its (nonzero) digits is 164640, while the sum is 40.

The spelling of 2732257020721 in words is "two trillion, seven hundred thirty-two billion, two hundred fifty-seven million, twenty thousand, seven hundred twenty-one".