33149748 has 12 divisors (see below), whose sum is σ = 77349440. Its totient is φ = 11049912.

The previous prime is 33149731. The next prime is 33149749. The reversal of 33149748 is 84794133.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (33149749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1381228 + ... + 1381251.

Almost surely, 2^33149748 is an apocalyptic number.

It is an amenable number.

33149748 is an abundant number, since it is smaller than the sum of its proper divisors (44199692).

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

33149748 is a wasteful number, since it uses less digits than its factorization.

33149748 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2762486 (or 2762484 counting only the distinct ones).

The product of its digits is 72576, while the sum is 39.

The square root of 33149748 is about 5757.5817840479. The cubic root of 33149748 is about 321.2378745543.

The spelling of 33149748 in words is "thirty-three million, one hundred forty-nine thousand, seven hundred forty-eight".