33070745 has 4 divisors (see below), whose sum is σ = 39684900. Its totient is φ = 26456592.

The previous prime is 33070727. The next prime is 33070747. The reversal of 33070745 is 54707033.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54707033 = 31 ⋅1764743.

It can be written as a sum of positive squares in 2 ways, for example, as 3433609 + 29637136 = 1853^2 + 5444^2 .

It is a cyclic number.

It is not a de Polignac number, because 33070745 - 2¹⁴ = 33054361 is a prime.

It is not an unprimeable number, because it can be changed into a prime (33070747) 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, 3307070 + ... + 3307079.

It is an arithmetic number, because the mean of its divisors is an integer number (9921225).

Almost surely, 2^33070745 is an apocalyptic number.

It is an amenable number.

33070745 is a deficient number, since it is larger than the sum of its proper divisors (6614155).

33070745 is an equidigital number, since it uses as much as digits as its factorization.

33070745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6614154.

The product of its (nonzero) digits is 8820, while the sum is 29.

The square root of 33070745 is about 5750.7169118293. The cubic root of 33070745 is about 320.9824785097.

Adding to 33070745 its reverse (54707033), we get a palindrome (87777778).

The spelling of 33070745 in words is "thirty-three million, seventy thousand, seven hundred forty-five".