674784219 has 4 divisors (see below), whose sum is σ = 899712296. Its totient is φ = 449856144.

The previous prime is 674784211. The next prime is 674784233. The reversal of 674784219 is 912487476.

674784219 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 674784219 - 2³ = 674784211 is a prime.

It is a super-2 number, since 2×674784219² = 910667484422879922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (674784211) 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, 112464034 + ... + 112464039.

It is an arithmetic number, because the mean of its divisors is an integer number (224928074).

Almost surely, 2^674784219 is an apocalyptic number.

674784219 is a deficient number, since it is larger than the sum of its proper divisors (224928077).

674784219 is a wasteful number, since it uses less digits than its factorization.

674784219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224928076.

The product of its digits is 677376, while the sum is 48.

The square root of 674784219 is about 25976.6090743191. The cubic root of 674784219 is about 877.1118378022. Note that the first 3 decimals are identical.

The spelling of 674784219 in words is "six hundred seventy-four million, seven hundred eighty-four thousand, two hundred nineteen".