172004 has 12 divisors (see below), whose sum is σ = 344064. Its totient is φ = 73704.

The previous prime is 172001. The next prime is 172009. The reversal of 172004 is 400271.

It is a happy number.

172004 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a self number, because there is not a number n which added to its sum of digits gives 172004.

It is not an unprimeable number, because it can be changed into a prime (172001) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3044 + ... + 3099.

It is an arithmetic number, because the mean of its divisors is an integer number (28672).

2¹⁷²⁰⁰⁴ is an apocalyptic number.

172004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

172004 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

172004 is a wasteful number, since it uses less digits than its factorization.

172004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6154 (or 6152 counting only the distinct ones).

The product of its (nonzero) digits is 56, while the sum is 14.

The square root of 172004 is about 414.7336494667. The cubic root of 172004 is about 55.6134087702.

Adding to 172004 its reverse (400271), we get a palindrome (572275).

The spelling of 172004 in words is "one hundred seventy-two thousand, four", and thus it is an iban number.