674748208208 has 10 divisors (see below), whose sum is σ = 1307324653434. Its totient is φ = 337374104096.

The previous prime is 674748208201. The next prime is 674748208213. The reversal of 674748208208 is 802802847476.

It can be written as a sum of positive squares in only one way, i.e., 660760888384 + 13987319824 = 812872^2 + 118268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (674748208201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21085881491 + ... + 21085881522.

Almost surely, 2^674748208208 is an apocalyptic number.

It is an amenable number.

674748208208 is a deficient number, since it is larger than the sum of its proper divisors (632576445226).

674748208208 is a wasteful number, since it uses less digits than its factorization.

674748208208 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42171763021 (or 42171763015 counting only the distinct ones).

The product of its (nonzero) digits is 9633792, while the sum is 56.

The spelling of 674748208208 in words is "six hundred seventy-four billion, seven hundred forty-eight million, two hundred eight thousand, two hundred eight".