32728273088 has 28 divisors (see below), whose sum is σ = 74223048912. Its totient is φ = 14026402560.

The previous prime is 32728273073. The next prime is 32728273093. The reversal of 32728273088 is 88037282723.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (28).

It is a super-2 number, since 2×32728273088² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36526643 + ... + 36527538.

Almost surely, 2^32728273088 is an apocalyptic number.

It is an amenable number.

32728273088 is an abundant number, since it is smaller than the sum of its proper divisors (41494775824).

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

32728273088 is an equidigital number, since it uses as much as digits as its factorization.

32728273088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73054200 (or 73054190 counting only the distinct ones).

The product of its (nonzero) digits is 1806336, while the sum is 50.

The spelling of 32728273088 in words is "thirty-two billion, seven hundred twenty-eight million, two hundred seventy-three thousand, eighty-eight".