33505134 has 32 divisors (see below), whose sum is σ = 72896544. Its totient is φ = 10204800.

The previous prime is 33505123. The next prime is 33505163. The reversal of 33505134 is 43150533.

It is a happy number.

It is a super-2 number, since 2×33505134² = 2245188008715912, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5752 + ... + 10004.

It is an arithmetic number, because the mean of its divisors is an integer number (2278017).

Almost surely, 2^33505134 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 33505134, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36448272).

33505134 is an abundant number, since it is smaller than the sum of its proper divisors (39391410).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

33505134 is a wasteful number, since it uses less digits than its factorization.

33505134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4372.

The product of its (nonzero) digits is 2700, while the sum is 24.

The square root of 33505134 is about 5788.3619444537. The cubic root of 33505134 is about 322.3817534165.

Adding to 33505134 its reverse (43150533), we get a palindrome (76655667).

The spelling of 33505134 in words is "thirty-three million, five hundred five thousand, one hundred thirty-four".