674918194 has 8 divisors (see below), whose sum is σ = 1018826028. Its totient is φ = 335309520.

The previous prime is 674918191. The next prime is 674918219. The reversal of 674918194 is 491819476.

674918194 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 546390625 + 128527569 = 23375^2 + 11337^2 .

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

It is not an unprimeable number, because it can be changed into a prime (674918191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1074397 + ... + 1075024.

Almost surely, 2^674918194 is an apocalyptic number.

674918194 is a deficient number, since it is larger than the sum of its proper divisors (343907834).

674918194 is a wasteful number, since it uses less digits than its factorization.

674918194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2149580.

The product of its digits is 435456, while the sum is 49.

The square root of 674918194 is about 25979.1877086255. The cubic root of 674918194 is about 877.1698826699.

The spelling of 674918194 in words is "six hundred seventy-four million, nine hundred eighteen thousand, one hundred ninety-four".