33749938 has 4 divisors (see below), whose sum is σ = 50624910. Its totient is φ = 16874968.

The previous prime is 33749927. The next prime is 33749951. The reversal of 33749938 is 83994733.

33749938 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 83994733 = 191 ⋅439763.

It can be written as a sum of positive squares in only one way, i.e., 23011209 + 10738729 = 4797^2 + 3277^2 .

It is a super-2 number, since 2×33749938² = 2278116630007688, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8437483 + ... + 8437486.

Almost surely, 2^33749938 is an apocalyptic number.

33749938 is a deficient number, since it is larger than the sum of its proper divisors (16874972).

33749938 is a wasteful number, since it uses less digits than its factorization.

33749938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16874971.

The product of its digits is 489888, while the sum is 46.

The square root of 33749938 is about 5809.4696831983. The cubic root of 33749938 is about 323.1650056158.

The spelling of 33749938 in words is "thirty-three million, seven hundred forty-nine thousand, nine hundred thirty-eight".