32664147732 has 72 divisors (see below), whose sum is σ = 83730465000. Its totient is φ = 10735792128.

The previous prime is 32664147697. The next prime is 32664147739. The reversal of 32664147732 is 23774146623.

It can be written as a sum of positive squares in 4 ways, for example, as 5441127696 + 27223020036 = 73764^2 + 164994^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (32664147739) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 712644 + ... + 757092.

It is an arithmetic number, because the mean of its divisors is an integer number (1162923125).

Almost surely, 2^32664147732 is an apocalyptic number.

It is an amenable number.

32664147732 is an abundant number, since it is smaller than the sum of its proper divisors (51066317268).

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

32664147732 is a wasteful number, since it uses less digits than its factorization.

32664147732 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44745 (or 44740 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 45.

The spelling of 32664147732 in words is "thirty-two billion, six hundred sixty-four million, one hundred forty-seven thousand, seven hundred thirty-two".