674612194 has 8 divisors (see below), whose sum is σ = 1039267548. Its totient is φ = 328189680.

The previous prime is 674612177. The next prime is 674612203. The reversal of 674612194 is 491216476.

It can be written as a sum of positive squares in 2 ways, for example, as 556346569 + 118265625 = 23587^2 + 10875^2 .

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

It is a super-2 number, since 2×674612194² = 910203224586987272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4558117 + ... + 4558264.

Almost surely, 2^674612194 is an apocalyptic number.

674612194 is a deficient number, since it is larger than the sum of its proper divisors (364655354).

674612194 is a wasteful number, since it uses less digits than its factorization.

674612194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9116420.

The product of its digits is 72576, while the sum is 40.

The square root of 674612194 is about 25973.2977113034. The cubic root of 674612194 is about 877.0372964484.

The spelling of 674612194 in words is "six hundred seventy-four million, six hundred twelve thousand, one hundred ninety-four".