33729023 has 8 divisors (see below), whose sum is σ = 34919040. Its totient is φ = 32545440.

The previous prime is 33729013. The next prime is 33729029. The reversal of 33729023 is 32092733.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 33729023 - 2¹⁸ = 33466879 is a prime.

It is a super-2 number, since 2×33729023² = 2275293985069058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33729029) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10661 + ... + 13457.

It is an arithmetic number, because the mean of its divisors is an integer number (4364880).

Almost surely, 2^33729023 is an apocalyptic number.

33729023 is a deficient number, since it is larger than the sum of its proper divisors (1190017).

33729023 is a wasteful number, since it uses less digits than its factorization.

33729023 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3217.

The product of its (nonzero) digits is 6804, while the sum is 29.

The square root of 33729023 is about 5807.6693259861. The cubic root of 33729023 is about 323.0982361819.

The spelling of 33729023 in words is "thirty-three million, seven hundred twenty-nine thousand, twenty-three".