674473839 has 8 divisors (see below), whose sum is σ = 968475312. Its totient is φ = 415060800.

The previous prime is 674473831. The next prime is 674473841. The reversal of 674473839 is 938374476.

It is a happy number.

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

It is not a de Polignac number, because 674473839 - 2³ = 674473831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 674473791 and 674473800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674473831) 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, 8647062 + ... + 8647139.

It is an arithmetic number, because the mean of its divisors is an integer number (121059414).

Almost surely, 2^674473839 is an apocalyptic number.

674473839 is a deficient number, since it is larger than the sum of its proper divisors (294001473).

674473839 is a wasteful number, since it uses less digits than its factorization.

674473839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17294217.

The product of its digits is 3048192, while the sum is 51.

The square root of 674473839 is about 25970.6341663041. The cubic root of 674473839 is about 876.9773356825.

The spelling of 674473839 in words is "six hundred seventy-four million, four hundred seventy-three thousand, eight hundred thirty-nine".