174794842 has 8 divisors (see below), whose sum is σ = 264788532. Its totient is φ = 86532000.

The previous prime is 174794839. The next prime is 174794857. The reversal of 174794842 is 248497471.

It is a Cunningham number, because it is equal to 13221²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 174794841 + 1 = 13221^2 + 1^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 174794792 and 174794801.

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, 432459 + ... + 432862.

Almost surely, 2^174794842 is an apocalyptic number.

174794842 is a deficient number, since it is larger than the sum of its proper divisors (89993690).

174794842 is a wasteful number, since it uses less digits than its factorization.

174794842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865424.

The product of its digits is 451584, while the sum is 46.

The square root of 174794842 is about 13221.0000378186. Note that the first 4 decimals coincide. The cubic root of 174794842 is about 559.1258065351.

The spelling of 174794842 in words is "one hundred seventy-four million, seven hundred ninety-four thousand, eight hundred forty-two".