674445855 has 8 divisors (see below), whose sum is σ = 1079113392. Its totient is φ = 359704448.

The previous prime is 674445853. The next prime is 674445881. The reversal of 674445855 is 558544476.

674445855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 674445855 - 2¹ = 674445853 is a prime.

It is a super-2 number, since 2×674445855² = 909754422653362050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674445853) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22481514 + ... + 22481543.

It is an arithmetic number, because the mean of its divisors is an integer number (134889174).

Almost surely, 2^674445855 is an apocalyptic number.

674445855 is a deficient number, since it is larger than the sum of its proper divisors (404667537).

674445855 is a wasteful number, since it uses less digits than its factorization.

674445855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44963065.

The product of its digits is 2688000, while the sum is 48.

The square root of 674445855 is about 25970.0953983616. The cubic root of 674445855 is about 876.9652068834.

The spelling of 674445855 in words is "six hundred seventy-four million, four hundred forty-five thousand, eight hundred fifty-five".