674447247 has 24 divisors (see below), whose sum is σ = 993796128. Its totient is φ = 440664000.

The previous prime is 674447173. The next prime is 674447261. The reversal of 674447247 is 742744476.

It is not a de Polignac number, because 674447247 - 2¹⁵ = 674414479 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674447747) 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 23 ways as a sum of consecutive naturals, for example, 107497 + ... + 113597.

It is an arithmetic number, because the mean of its divisors is an integer number (41408172).

Almost surely, 2^674447247 is an apocalyptic number.

674447247 is a deficient number, since it is larger than the sum of its proper divisors (319348881).

674447247 is a wasteful number, since it uses less digits than its factorization.

674447247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6351 (or 6348 counting only the distinct ones).

The product of its digits is 1053696, while the sum is 45.

The square root of 674447247 is about 25970.1221984033. The cubic root of 674447247 is about 876.9658102107.

It can be divided in two parts, 67444 and 7247, that added together give a triangular number (74691 = T₃₈₆).

The spelling of 674447247 in words is "six hundred seventy-four million, four hundred forty-seven thousand, two hundred forty-seven".