33130436 has 12 divisors (see below), whose sum is σ = 58402428. Its totient is φ = 16444032.

The previous prime is 33130417. The next prime is 33130451. The reversal of 33130436 is 63403133.

It can be written as a sum of positive squares in 2 ways, for example, as 21529600 + 11600836 = 4640^2 + 3406^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29681 + ... + 30776.

It is an arithmetic number, because the mean of its divisors is an integer number (4866869).

Almost surely, 2^33130436 is an apocalyptic number.

It is an amenable number.

33130436 is a deficient number, since it is larger than the sum of its proper divisors (25271992).

33130436 is a wasteful number, since it uses less digits than its factorization.

33130436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60598 (or 60596 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 33130436 is about 5755.9044467399. The cubic root of 33130436 is about 321.1754814111.

Adding to 33130436 its reverse (63403133), we get a palindrome (96533569).

The spelling of 33130436 in words is "thirty-three million, one hundred thirty thousand, four hundred thirty-six".