33729141 has 4 divisors (see below), whose sum is σ = 44972192. Its totient is φ = 22486092.

The previous prime is 33729119. The next prime is 33729151. The reversal of 33729141 is 14192733.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 33729141 - 2⁶ = 33729077 is a prime.

It is a super-2 number, since 2×33729141² = 2275309905195762, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 33729099 and 33729108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33729151) 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 3 ways as a sum of consecutive naturals, for example, 5621521 + ... + 5621526.

It is an arithmetic number, because the mean of its divisors is an integer number (11243048).

Almost surely, 2^33729141 is an apocalyptic number.

It is an amenable number.

33729141 is a deficient number, since it is larger than the sum of its proper divisors (11243051).

33729141 is a wasteful number, since it uses less digits than its factorization.

33729141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11243050.

The product of its digits is 4536, while the sum is 30.

The square root of 33729141 is about 5807.6794849578. The cubic root of 33729141 is about 323.0986129647.

The spelling of 33729141 in words is "thirty-three million, seven hundred twenty-nine thousand, one hundred forty-one".