32670689728 has 28 divisors (see below), whose sum is σ = 64837926712. Its totient is φ = 16333574400.

The previous prime is 32670689719. The next prime is 32670689749. The reversal of 32670689728 is 82798607623.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 727051 + ... + 770677.

Almost surely, 2^32670689728 is an apocalyptic number.

It is an amenable number.

32670689728 is a deficient number, since it is larger than the sum of its proper divisors (32167236984).

32670689728 is a wasteful number, since it uses less digits than its factorization.

32670689728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55340 (or 55330 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 58.

The spelling of 32670689728 in words is "thirty-two billion, six hundred seventy million, six hundred eighty-nine thousand, seven hundred twenty-eight".