33270740 has 12 divisors (see below), whose sum is σ = 69868596. Its totient is φ = 13308288.

The previous prime is 33270701. The next prime is 33270761. The reversal of 33270740 is 4707233.

It can be written as a sum of positive squares in 2 ways, for example, as 7828804 + 25441936 = 2798^2 + 5044^2 .

It is a super-2 number, since 2×33270740² = 2213884280295200, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 831749 + ... + 831788.

It is an arithmetic number, because the mean of its divisors is an integer number (5822383).

Almost surely, 2^33270740 is an apocalyptic number.

It is an amenable number.

33270740 is an abundant number, since it is smaller than the sum of its proper divisors (36597856).

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

33270740 is a wasteful number, since it uses less digits than its factorization.

33270740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1663546 (or 1663544 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 26.

The square root of 33270740 is about 5768.0794030596. The cubic root of 33270740 is about 321.6282246501.

Adding to 33270740 its reverse (4707233), we get a palindrome (37977973).

The spelling of 33270740 in words is "thirty-three million, two hundred seventy thousand, seven hundred forty".