33130745 has 8 divisors (see below), whose sum is σ = 39916800. Its totient is φ = 26398000.

The previous prime is 33130733. The next prime is 33130751. The reversal of 33130745 is 54703133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 33130745 - 2⁴ = 33130729 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11945 + ... + 14454.

It is an arithmetic number, because the mean of its divisors is an integer number (4989600).

Almost surely, 2^33130745 is an apocalyptic number.

It is an amenable number.

33130745 is a deficient number, since it is larger than the sum of its proper divisors (6786055).

33130745 is a wasteful number, since it uses less digits than its factorization.

33130745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26655.

The product of its (nonzero) digits is 3780, while the sum is 26.

The square root of 33130745 is about 5755.9312886795. The cubic root of 33130745 is about 321.1764799181.

Adding to 33130745 its reverse (54703133), we get a palindrome (87833878).

The spelling of 33130745 in words is "thirty-three million, one hundred thirty thousand, seven hundred forty-five".