33132738 has 32 divisors (see below), whose sum is σ = 69714432. Its totient is φ = 10483200.

The previous prime is 33132709. The next prime is 33132739. The reversal of 33132738 is 83723133.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (33132739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8178 + ... + 11538.

It is an arithmetic number, because the mean of its divisors is an integer number (2178576).

Almost surely, 2^33132738 is an apocalyptic number.

33132738 is an abundant number, since it is smaller than the sum of its proper divisors (36581694).

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

33132738 is a wasteful number, since it uses less digits than its factorization.

33132738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3450.

The product of its digits is 9072, while the sum is 30.

The square root of 33132738 is about 5756.1044118397. The cubic root of 33132738 is about 321.1829199774.

The spelling of 33132738 in words is "thirty-three million, one hundred thirty-two thousand, seven hundred thirty-eight".