33061734728 has 32 divisors (see below), whose sum is σ = 67633997760. Its totient is φ = 15026345280.

The previous prime is 33061734707. The next prime is 33061734743. The reversal of 33061734728 is 82743716033.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1063826 + ... + 1094462.

It is an arithmetic number, because the mean of its divisors is an integer number (2113562430).

Almost surely, 2^33061734728 is an apocalyptic number.

It is an amenable number.

33061734728 is an abundant number, since it is smaller than the sum of its proper divisors (34572263032).

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

33061734728 is a wasteful number, since it uses less digits than its factorization.

33061734728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42917 (or 42913 counting only the distinct ones).

The product of its (nonzero) digits is 508032, while the sum is 44.

The spelling of 33061734728 in words is "thirty-three billion, sixty-one million, seven hundred thirty-four thousand, seven hundred twenty-eight".