33730805 has 8 divisors (see below), whose sum is σ = 42858072. Its totient is φ = 25397248.

The previous prime is 33730789. The next prime is 33730817. The reversal of 33730805 is 50803733.

It can be written as a sum of positive squares in 4 ways, for example, as 1909924 + 31820881 = 1382^2 + 5641^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 33730805 - 2⁴ = 33730789 is a prime.

It is a super-2 number, since 2×33730805² = 2275534411896050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 198332 + ... + 198501.

It is an arithmetic number, because the mean of its divisors is an integer number (5357259).

Almost surely, 2^33730805 is an apocalyptic number.

It is an amenable number.

33730805 is a deficient number, since it is larger than the sum of its proper divisors (9127267).

33730805 is a wasteful number, since it uses less digits than its factorization.

33730805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396855.

The product of its (nonzero) digits is 7560, while the sum is 29.

The square root of 33730805 is about 5807.8227417854. The cubic root of 33730805 is about 323.1039261473.

The spelling of 33730805 in words is "thirty-three million, seven hundred thirty thousand, eight hundred five".