172870801 has 8 divisors (see below), whose sum is σ = 177408000. Its totient is φ = 168348960.

The previous prime is 172870799. The next prime is 172870811. The reversal of 172870801 is 108078271.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 172870801 - 2¹ = 172870799 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (172870811) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 21040 + ... + 28078.

It is an arithmetic number, because the mean of its divisors is an integer number (22176000).

Almost surely, 2^172870801 is an apocalyptic number.

It is an amenable number.

172870801 is a deficient number, since it is larger than the sum of its proper divisors (4537199).

172870801 is an equidigital number, since it uses as much as digits as its factorization.

172870801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7679.

The product of its (nonzero) digits is 6272, while the sum is 34.

The square root of 172870801 is about 13148.0341116077. The cubic root of 172870801 is about 557.0667212045.

The spelling of 172870801 in words is "one hundred seventy-two million, eight hundred seventy thousand, eight hundred one".