673687007050 has 24 divisors (see below), whose sum is σ = 1296266726700. Its totient is φ = 260182567680.

The previous prime is 673687007027. The next prime is 673687007053. The reversal of 673687007050 is 50700786376.

It can be written as a sum of positive squares in 6 ways, for example, as 341877598209 + 331809408841 = 584703^2 + 576029^2 .

It is a junction number, because it is equal to n+sod(n) for n = 673687006985 and 673687007003.

It is not an unprimeable number, because it can be changed into a prime (673687007053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 232304415 + ... + 232307314.

Almost surely, 2^673687007050 is an apocalyptic number.

673687007050 is a deficient number, since it is larger than the sum of its proper divisors (622579719650).

673687007050 is a wasteful number, since it uses less digits than its factorization.

673687007050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 464611770 (or 464611765 counting only the distinct ones).

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 673687007050 in words is "six hundred seventy-three billion, six hundred eighty-seven million, seven thousand, fifty".