672000171208 has 8 divisors (see below), whose sum is σ = 1260000321030. Its totient is φ = 336000085600.

The previous prime is 672000171203. The next prime is 672000171209. The reversal of 672000171208 is 802171000276.

It is a happy number.

672000171208 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 348173163844 + 323827007364 = 590062^2 + 569058^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-3 number, since 3×672000171208³ (a number of 36 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (672000171203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42000010693 + ... + 42000010708.

Almost surely, 2^672000171208 is an apocalyptic number.

It is an amenable number.

672000171208 is a deficient number, since it is larger than the sum of its proper divisors (588000149822).

672000171208 is a wasteful number, since it uses less digits than its factorization.

672000171208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84000021407 (or 84000021403 counting only the distinct ones).

The product of its (nonzero) digits is 9408, while the sum is 34.

The spelling of 672000171208 in words is "six hundred seventy-two billion, one hundred seventy-one thousand, two hundred eight".