172002828 has 48 divisors (see below), whose sum is σ = 417725280. Its totient is φ = 55017984.

The previous prime is 172002811. The next prime is 172002833. The reversal of 172002828 is 828200271.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 172002795 and 172002804.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 58776 + ... + 61632.

It is an arithmetic number, because the mean of its divisors is an integer number (8702610).

Almost surely, 2^172002828 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 172002828, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (208862640).

172002828 is an abundant number, since it is smaller than the sum of its proper divisors (245722452).

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

172002828 is a wasteful number, since it uses less digits than its factorization.

172002828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3066 (or 3064 counting only the distinct ones).

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 172002828 is about 13114.9848646501. The cubic root of 172002828 is about 556.1328245715.

The spelling of 172002828 in words is "one hundred seventy-two million, two thousand, eight hundred twenty-eight".