674984643 has 12 divisors (see below), whose sum is σ = 956034840. Its totient is φ = 423519232.

The previous prime is 674984623. The next prime is 674984659. The reversal of 674984643 is 346489476.

674984643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 674984643 - 2⁶ = 674984579 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (51).

It is not an unprimeable number, because it can be changed into a prime (674984623) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 388398 + ... + 390131.

It is an arithmetic number, because the mean of its divisors is an integer number (79669570).

Almost surely, 2^674984643 is an apocalyptic number.

674984643 is a deficient number, since it is larger than the sum of its proper divisors (281050197).

674984643 is a wasteful number, since it uses less digits than its factorization.

674984643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 778566 (or 778549 counting only the distinct ones).

The product of its digits is 3483648, while the sum is 51.

The square root of 674984643 is about 25980.4665662493. The cubic root of 674984643 is about 877.1986689482.

The spelling of 674984643 in words is "six hundred seventy-four million, nine hundred eighty-four thousand, six hundred forty-three".