674544893 has 32 divisors (see below), whose sum is σ = 776950272. Its totient is φ = 580262400.

The previous prime is 674544889. The next prime is 674544907. The reversal of 674544893 is 398445476.

It is not a de Polignac number, because 674544893 - 2² = 674544889 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 (674544803) 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 31 ways as a sum of consecutive naturals, for example, 2302055 + ... + 2302347.

It is an arithmetic number, because the mean of its divisors is an integer number (24279696).

Almost surely, 2^674544893 is an apocalyptic number.

It is an amenable number.

674544893 is a deficient number, since it is larger than the sum of its proper divisors (102405379).

674544893 is a wasteful number, since it uses less digits than its factorization.

674544893 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 485.

The product of its digits is 2903040, while the sum is 50.

The square root of 674544893 is about 25972.0020984136. The cubic root of 674544893 is about 877.0081303336.

The spelling of 674544893 in words is "six hundred seventy-four million, five hundred forty-four thousand, eight hundred ninety-three".