33434945 has 8 divisors (see below), whose sum is σ = 40161960. Its totient is φ = 26721280.

The previous prime is 33434911. The next prime is 33434953. The reversal of 33434945 is 54943433.

It can be written as a sum of positive squares in 4 ways, for example, as 16386304 + 17048641 = 4048^2 + 4129^2 .

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

It is not a de Polignac number, because 33434945 - 2⁸ = 33434689 is a prime.

It is a super-2 number, since 2×33434945² = 2235791094306050, which contains 22 as substring.

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, 3425 + ... + 8865.

It is an arithmetic number, because the mean of its divisors is an integer number (5020245).

Almost surely, 2^33434945 is an apocalyptic number.

It is an amenable number.

33434945 is a deficient number, since it is larger than the sum of its proper divisors (6727015).

33434945 is a wasteful number, since it uses less digits than its factorization.

33434945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6675.

The product of its digits is 77760, while the sum is 35.

The square root of 33434945 is about 5782.2958243245. The cubic root of 33434945 is about 322.1564797615.

The spelling of 33434945 in words is "thirty-three million, four hundred thirty-four thousand, nine hundred forty-five".