172673804200 has 96 divisors (see below), whose sum is σ = 435450488760. Its totient is φ = 63421030400.

The previous prime is 172673804179. The next prime is 172673804209. The reversal of 172673804200 is 2408376271.

It can be written as a sum of positive squares in 12 ways, for example, as 6596363524 + 166077440676 = 81218^2 + 407526^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (172673804209) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 479947 + ... + 758746.

Almost surely, 2^172673804200 is an apocalyptic number.

172673804200 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

172673804200 is an abundant number, since it is smaller than the sum of its proper divisors (262776684560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

172673804200 is a wasteful number, since it uses less digits than its factorization.

172673804200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1238767 (or 1238758 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 172673804200 in words is "one hundred seventy-two billion, six hundred seventy-three million, eight hundred four thousand, two hundred".