32725393668 has 72 divisors (see below), whose sum is σ = 90263680416. Its totient is φ = 9914486400.

The previous prime is 32725393661. The next prime is 32725393709. The reversal of 32725393668 is 86639352723.

It is a happy number.

32725393668 is a `hidden beast` number, since 3 + 2 + 72 + 539 + 36 + 6 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (32725393661) 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 23 ways as a sum of consecutive naturals, for example, 2588683 + ... + 2601293.

It is an arithmetic number, because the mean of its divisors is an integer number (1253662228).

Almost surely, 2^32725393668 is an apocalyptic number.

It is an amenable number.

32725393668 is an abundant number, since it is smaller than the sum of its proper divisors (57538286748).

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

32725393668 is a wasteful number, since it uses less digits than its factorization.

32725393668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19185 (or 19180 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 54.

The spelling of 32725393668 in words is "thirty-two billion, seven hundred twenty-five million, three hundred ninety-three thousand, six hundred sixty-eight".