33729946 has 16 divisors (see below), whose sum is σ = 51749280. Its totient is φ = 16483600.

The previous prime is 33729901. The next prime is 33729947. The reversal of 33729946 is 64992733.

It is a super-2 number, since 2×33729946² = 2275418514325832, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (33729947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22521 + ... + 23971.

It is an arithmetic number, because the mean of its divisors is an integer number (3234330).

Almost surely, 2^33729946 is an apocalyptic number.

33729946 is a deficient number, since it is larger than the sum of its proper divisors (18019334).

33729946 is a wasteful number, since it uses less digits than its factorization.

33729946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1709.

The product of its digits is 244944, while the sum is 43.

The square root of 33729946 is about 5807.7487893331. The cubic root of 33729946 is about 323.1011833663.

The spelling of 33729946 in words is "thirty-three million, seven hundred twenty-nine thousand, nine hundred forty-six".