208081733 has 8 divisors (see below), whose sum is σ = 212472000. Its totient is φ = 203737248.

The previous prime is 208081691. The next prime is 208081739. The reversal of 208081733 is 337180802.

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 208081733 - 2¹⁰ = 208080709 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 208081733.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (208081739) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2183 + ... + 20516.

It is an arithmetic number, because the mean of its divisors is an integer number (26559000).

Almost surely, 2^208081733 is an apocalyptic number.

It is an amenable number.

208081733 is a deficient number, since it is larger than the sum of its proper divisors (4390267).

208081733 is a wasteful number, since it uses less digits than its factorization.

208081733 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22891.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 208081733 is about 14425.0384054948. The cubic root of 208081733 is about 592.5768104708.

The spelling of 208081733 in words is "two hundred eight million, eighty-one thousand, seven hundred thirty-three".