2732305634721 has 12 divisors (see below), whose sum is σ = 4250253209748. Its totient is φ = 1681418852064.

The previous prime is 2732305634701. The next prime is 2732305634741. The reversal of 2732305634721 is 1274365032372.

2732305634721 is a `hidden beast` number, since 2 + 7 + 3 + 2 + 3 + 0 + 5 + 634 + 7 + 2 + 1 = 666.

It is an interprime number because it is at equal distance from previous prime (2732305634701) and next prime (2732305634741).

It can be written as a sum of positive squares in 2 ways, for example, as 1153862672400 + 1578442962321 = 1074180^2 + 1256361^2 .

It is not a de Polignac number, because 2732305634721 - 2⁵ = 2732305634689 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (2732305634701) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11676519690 + ... + 11676519923.

It is an arithmetic number, because the mean of its divisors is an integer number (354187767479).

Almost surely, 2^{2732305634721} is an apocalyptic number.

It is an amenable number.

2732305634721 is a deficient number, since it is larger than the sum of its proper divisors (1517947575027).

2732305634721 is a wasteful number, since it uses less digits than its factorization.

2732305634721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23353039632 (or 23353039629 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 45.

The spelling of 2732305634721 in words is "two trillion, seven hundred thirty-two billion, three hundred five million, six hundred thirty-four thousand, seven hundred twenty-one".