208673673 has 16 divisors (see below), whose sum is σ = 307734336. Its totient is φ = 124943040.

The previous prime is 208673671. The next prime is 208673683. The reversal of 208673673 is 376376802.

It is not a de Polignac number, because 208673673 - 2¹ = 208673671 is a prime.

It is not an unprimeable number, because it can be changed into a prime (208673671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70863 + ... + 73748.

It is an arithmetic number, because the mean of its divisors is an integer number (19233396).

Almost surely, 2^208673673 is an apocalyptic number.

It is an amenable number.

208673673 is a deficient number, since it is larger than the sum of its proper divisors (99060663).

208673673 is a wasteful number, since it uses less digits than its factorization.

208673673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144664.

The product of its (nonzero) digits is 254016, while the sum is 42.

The square root of 208673673 is about 14445.5416305516. The cubic root of 208673673 is about 593.1381889566.

The spelling of 208673673 in words is "two hundred eight million, six hundred seventy-three thousand, six hundred seventy-three".