674717243 has 4 divisors (see below), whose sum is σ = 674807808. Its totient is φ = 674626680.

The previous prime is 674717207. The next prime is 674717273. The reversal of 674717243 is 342717476.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 674717243 - 2¹⁰ = 674716219 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 674717243.

It is not an unprimeable number, because it can be changed into a prime (674717273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32996 + ... + 49377.

It is an arithmetic number, because the mean of its divisors is an integer number (168701952).

Almost surely, 2^674717243 is an apocalyptic number.

674717243 is a deficient number, since it is larger than the sum of its proper divisors (90565).

674717243 is an equidigital number, since it uses as much as digits as its factorization.

674717243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90564.

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

The square root of 674717243 is about 25975.3198825347. The cubic root of 674717243 is about 877.0828174702.

The spelling of 674717243 in words is "six hundred seventy-four million, seven hundred seventeen thousand, two hundred forty-three".