33340172 has 6 divisors (see below), whose sum is σ = 58345308. Its totient is φ = 16670084.

The previous prime is 33340163. The next prime is 33340189. The reversal of 33340172 is 27104333.

It is a happy number.

It is a super-2 number, since 2×33340172² = 2223134137979168, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4167518 + ... + 4167525.

It is an arithmetic number, because the mean of its divisors is an integer number (9724218).

Almost surely, 2^33340172 is an apocalyptic number.

It is an amenable number.

33340172 is a deficient number, since it is larger than the sum of its proper divisors (25005136).

33340172 is a wasteful number, since it uses less digits than its factorization.

33340172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8335047 (or 8335045 counting only the distinct ones).

The product of its (nonzero) digits is 1512, while the sum is 23.

The square root of 33340172 is about 5774.0949074292. The cubic root of 33340172 is about 321.8518022305.

The spelling of 33340172 in words is "thirty-three million, three hundred forty thousand, one hundred seventy-two".