172733828 has 12 divisors (see below), whose sum is σ = 307408080. Its totient is φ = 84902952.

The previous prime is 172733819. The next prime is 172733867. The reversal of 172733828 is 828337271.

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 365726 + ... + 366197.

It is an arithmetic number, because the mean of its divisors is an integer number (25617340).

Almost surely, 2^172733828 is an apocalyptic number.

It is an amenable number.

172733828 is a deficient number, since it is larger than the sum of its proper divisors (134674252).

172733828 is a wasteful number, since it uses less digits than its factorization.

172733828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 731986 (or 731984 counting only the distinct ones).

The product of its digits is 112896, while the sum is 41.

The square root of 172733828 is about 13142.8242018221. The cubic root of 172733828 is about 556.9195529895.

The spelling of 172733828 in words is "one hundred seventy-two million, seven hundred thirty-three thousand, eight hundred twenty-eight".