33728081674 has 8 divisors (see below), whose sum is σ = 57819568608. Its totient is φ = 14454892140.

The previous prime is 33728081663. The next prime is 33728081677. The reversal of 33728081674 is 47618082733.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×33728081674² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33728081677) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1204574332 + ... + 1204574359.

It is an arithmetic number, because the mean of its divisors is an integer number (7227446076).

Almost surely, 2^33728081674 is an apocalyptic number.

33728081674 is a deficient number, since it is larger than the sum of its proper divisors (24091486934).

33728081674 is a wasteful number, since it uses less digits than its factorization.

33728081674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2409148700.

The product of its (nonzero) digits is 1354752, while the sum is 49.

The spelling of 33728081674 in words is "thirty-three billion, seven hundred twenty-eight million, eighty-one thousand, six hundred seventy-four".