172004300 has 144 divisors (see below), whose sum is σ = 437909472. Its totient is φ = 58060800.

The previous prime is 172004297. The next prime is 172004309. The reversal of 172004300 is 3400271.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (172004309) 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 47 ways as a sum of consecutive naturals, for example, 950210 + ... + 950390.

It is an arithmetic number, because the mean of its divisors is an integer number (3041038).

Almost surely, 2^172004300 is an apocalyptic number.

172004300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172004300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (218954736).

172004300 is an abundant number, since it is smaller than the sum of its proper divisors (265905172).

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

172004300 is a wasteful number, since it uses less digits than its factorization.

172004300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 17.

The square root of 172004300 is about 13115.0409835425. The cubic root of 172004300 is about 556.1344110283.

Adding to 172004300 its reverse (3400271), we get a palindrome (175404571).

It can be divided in two parts, 17200 and 4300, that multiplied together give a square (73960000 = 8600²).

The spelling of 172004300 in words is "one hundred seventy-two million, four thousand, three hundred".