33072118 has 4 divisors (see below), whose sum is σ = 49608180. Its totient is φ = 16536058.

The previous prime is 33072113. The next prime is 33072119. The reversal of 33072118 is 81127033.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 33072092 and 33072101.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33072113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8268028 + ... + 8268031.

It is an arithmetic number, because the mean of its divisors is an integer number (12402045).

Almost surely, 2^33072118 is an apocalyptic number.

33072118 is a deficient number, since it is larger than the sum of its proper divisors (16536062).

33072118 is a wasteful number, since it uses less digits than its factorization.

33072118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16536061.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 33072118 is about 5750.8362870108. The cubic root of 33072118 is about 320.9869205309.

The spelling of 33072118 in words is "thirty-three million, seventy-two thousand, one hundred eighteen".