32764321728 has 42 divisors (see below), whose sum is σ = 93913014104. Its totient is φ = 10921440384.

The previous prime is 32764321703. The next prime is 32764321747. The reversal of 32764321728 is 82712346723.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 28440676 + ... + 28441827.

Almost surely, 2^32764321728 is an apocalyptic number.

It is an amenable number.

32764321728 is an abundant number, since it is smaller than the sum of its proper divisors (61148692376).

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

32764321728 is a wasteful number, since it uses less digits than its factorization.

32764321728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56882521 (or 56882508 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The spelling of 32764321728 in words is "thirty-two billion, seven hundred sixty-four million, three hundred twenty-one thousand, seven hundred twenty-eight".