173427378 has 8 divisors (see below), whose sum is σ = 346854768. Its totient is φ = 57809124.

The previous prime is 173427377. The next prime is 173427391. The reversal of 173427378 is 873724371.

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

173427378 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (173427377) 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 3 ways as a sum of consecutive naturals, for example, 14452276 + ... + 14452287.

It is an arithmetic number, because the mean of its divisors is an integer number (43356846).

Almost surely, 2^173427378 is an apocalyptic number.

173427378 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

173427378 is a wasteful number, since it uses less digits than its factorization.

173427378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28904568.

The product of its digits is 197568, while the sum is 42.

The square root of 173427378 is about 13169.1828903695. The cubic root of 173427378 is about 557.6639270736.

The spelling of 173427378 in words is "one hundred seventy-three million, four hundred twenty-seven thousand, three hundred seventy-eight".