170673449 has 4 divisors (see below), whose sum is σ = 170714880. Its totient is φ = 170632020.

The previous prime is 170673427. The next prime is 170673463. The reversal of 170673449 is 944376071.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-170673449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (170673479) 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, 13757 + ... + 23034.

It is an arithmetic number, because the mean of its divisors is an integer number (42678720).

Almost surely, 2^170673449 is an apocalyptic number.

It is an amenable number.

170673449 is a deficient number, since it is larger than the sum of its proper divisors (41431).

170673449 is an equidigital number, since it uses as much as digits as its factorization.

170673449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41430.

The product of its (nonzero) digits is 127008, while the sum is 41.

The square root of 170673449 is about 13064.2048743886. The cubic root of 170673449 is about 554.6963672071.

The spelling of 170673449 in words is "one hundred seventy million, six hundred seventy-three thousand, four hundred forty-nine".