170084427 has 4 divisors (see below), whose sum is σ = 226779240. Its totient is φ = 113389616.

The previous prime is 170084423. The next prime is 170084443. The reversal of 170084427 is 724480071.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 170084427 - 2² = 170084423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (170084423) 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, 28347402 + ... + 28347407.

It is an arithmetic number, because the mean of its divisors is an integer number (56694810).

Almost surely, 2^170084427 is an apocalyptic number.

170084427 is a deficient number, since it is larger than the sum of its proper divisors (56694813).

170084427 is an equidigital number, since it uses as much as digits as its factorization.

170084427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56694812.

The product of its (nonzero) digits is 12544, while the sum is 33.

The square root of 170084427 is about 13041.6420361855. The cubic root of 170084427 is about 554.0575157392.

The spelling of 170084427 in words is "one hundred seventy million, eighty-four thousand, four hundred twenty-seven".