33072838 has 8 divisors (see below), whose sum is σ = 49651560. Its totient is φ = 16522320.

The previous prime is 33072817. The next prime is 33072839. The reversal of 33072838 is 83827033.

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 2×33072838² = 2187625226748488, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33072839) 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, 3823 + ... + 8986.

It is an arithmetic number, because the mean of its divisors is an integer number (6206445).

Almost surely, 2^33072838 is an apocalyptic number.

33072838 is a deficient number, since it is larger than the sum of its proper divisors (16578722).

33072838 is a wasteful number, since it uses less digits than its factorization.

33072838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14102.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 33072838 is about 5750.8988862612. The cubic root of 33072838 is about 320.9892498737.

The spelling of 33072838 in words is "thirty-three million, seventy-two thousand, eight hundred thirty-eight".