674543357 has 8 divisors (see below), whose sum is σ = 731643192. Its totient is φ = 619379200.

The previous prime is 674543351. The next prime is 674543369. The reversal of 674543357 is 753345476.

It can be written as a sum of positive squares in 4 ways, for example, as 4044121 + 670499236 = 2011^2 + 25894^2 .

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 674543357 - 2¹⁶ = 674477821 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674543351) 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, 483194 + ... + 484587.

It is an arithmetic number, because the mean of its divisors is an integer number (91455399).

Almost surely, 2^674543357 is an apocalyptic number.

It is an amenable number.

674543357 is a deficient number, since it is larger than the sum of its proper divisors (57099835).

674543357 is a wasteful number, since it uses less digits than its factorization.

674543357 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 967839.

The product of its digits is 1058400, while the sum is 44.

The square root of 674543357 is about 25971.9725280927. The cubic root of 674543357 is about 877.0074646574.

The spelling of 674543357 in words is "six hundred seventy-four million, five hundred forty-three thousand, three hundred fifty-seven".