674216349 has 8 divisors (see below), whose sum is σ = 946268640. Its totient is φ = 425820816.

The previous prime is 674216299. The next prime is 674216369. The reversal of 674216349 is 943612476.

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

It is not a de Polignac number, because 674216349 - 2⁸ = 674216093 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 674216349.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674216369) 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 7 ways as a sum of consecutive naturals, for example, 5914122 + ... + 5914235.

It is an arithmetic number, because the mean of its divisors is an integer number (118283580).

Almost surely, 2^674216349 is an apocalyptic number.

It is an amenable number.

674216349 is a deficient number, since it is larger than the sum of its proper divisors (272052291).

674216349 is a wasteful number, since it uses less digits than its factorization.

674216349 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11828379.

The product of its digits is 217728, while the sum is 42.

The square root of 674216349 is about 25965.6763632300. The cubic root of 674216349 is about 876.8657219460.

The spelling of 674216349 in words is "six hundred seventy-four million, two hundred sixteen thousand, three hundred forty-nine".