32718772745 has 8 divisors (see below), whose sum is σ = 39651265800. Its totient is φ = 25915859200.

The previous prime is 32718772741. The next prime is 32718772753. The reversal of 32718772745 is 54727781723.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 17210553721 + 15508219024 = 131189^2 + 124532^2 .

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

It is not a de Polignac number, because 32718772745 - 2² = 32718772741 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (32718772741) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32394320 + ... + 32395329.

It is an arithmetic number, because the mean of its divisors is an integer number (4956408225).

Almost surely, 2^32718772745 is an apocalyptic number.

It is an amenable number.

32718772745 is a deficient number, since it is larger than the sum of its proper divisors (6932493055).

32718772745 is a wasteful number, since it uses less digits than its factorization.

32718772745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64789755.

The product of its digits is 4609920, while the sum is 53.

The spelling of 32718772745 in words is "thirty-two billion, seven hundred eighteen million, seven hundred seventy-two thousand, seven hundred forty-five".