675505408 has 18 divisors (see below), whose sum is σ = 1348372634. Its totient is φ = 337752576.

The previous prime is 675505403. The next prime is 675505417. The reversal of 675505408 is 804505576.

It can be written as a sum of positive squares in only one way, i.e., 430645504 + 244859904 = 20752^2 + 15648^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (675505403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1319091 + ... + 1319602.

Almost surely, 2^675505408 is an apocalyptic number.

It is an amenable number.

675505408 is a deficient number, since it is larger than the sum of its proper divisors (672867226).

675505408 is an equidigital number, since it uses as much as digits as its factorization.

675505408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2638709 (or 2638695 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The square root of 675505408 is about 25990.4868750087. The cubic root of 675505408 is about 877.4242034297.

The spelling of 675505408 in words is "six hundred seventy-five million, five hundred five thousand, four hundred eight".