33169042 has 4 divisors (see below), whose sum is σ = 49753566. Its totient is φ = 16584520.

The previous prime is 33169021. The next prime is 33169049. The reversal of 33169042 is 24096133.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24096133 = 353 ⋅68261.

It can be written as a sum of positive squares in only one way, i.e., 23126481 + 10042561 = 4809^2 + 3169^2 .

It is a super-2 number, since 2×33169042² = 2200370694395528, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 33169042.

It is not an unprimeable number, because it can be changed into a prime (33169049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8292259 + ... + 8292262.

Almost surely, 2^33169042 is an apocalyptic number.

33169042 is a deficient number, since it is larger than the sum of its proper divisors (16584524).

33169042 is a wasteful number, since it uses less digits than its factorization.

33169042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16584523.

The product of its (nonzero) digits is 3888, while the sum is 28.

The square root of 33169042 is about 5759.2570701437. The cubic root of 33169042 is about 321.3001853496.

The spelling of 33169042 in words is "thirty-three million, one hundred sixty-nine thousand, forty-two".