674172347 has 2 divisors, whose sum is σ = 674172348. Its totient is φ = 674172346.

The previous prime is 674172319. The next prime is 674172377. The reversal of 674172347 is 743271476.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 674172347 - 2⁸ = 674172091 is a prime.

It is not a weakly prime, because it can be changed into another prime (674172377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 337086173 + 337086174.

It is an arithmetic number, because the mean of its divisors is an integer number (337086174).

Almost surely, 2^674172347 is an apocalyptic number.

674172347 is a deficient number, since it is larger than the sum of its proper divisors (1).

674172347 is an equidigital number, since it uses as much as digits as its factorization.

674172347 is an evil number, because the sum of its binary digits is even.

The product of its digits is 197568, while the sum is 41.

The square root of 674172347 is about 25964.8290385283. The cubic root of 674172347 is about 876.8466456337.

The spelling of 674172347 in words is "six hundred seventy-four million, one hundred seventy-two thousand, three hundred forty-seven".