673478061008 has 10 divisors (see below), whose sum is σ = 1304863743234. Its totient is φ = 336739030496.

The previous prime is 673478061007. The next prime is 673478061019. The reversal of 673478061008 is 800160874376.

It can be written as a sum of positive squares in only one way, i.e., 669339969424 + 4138091584 = 818132^2 + 64328^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673478061007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21046189391 + ... + 21046189422.

Almost surely, 2^673478061008 is an apocalyptic number.

It is an amenable number.

673478061008 is a deficient number, since it is larger than the sum of its proper divisors (631385682226).

673478061008 is a wasteful number, since it uses less digits than its factorization.

673478061008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42092378821 (or 42092378815 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 50.

The spelling of 673478061008 in words is "six hundred seventy-three billion, four hundred seventy-eight million, sixty-one thousand, eight".