673687450 has 24 divisors (see below), whose sum is σ = 1282203648. Its totient is φ = 263207280.

The previous prime is 673687447. The next prime is 673687481. The reversal of 673687450 is 54786376.

673687450 is digitally balanced in base 2 and base 6, because in such bases it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 673687450.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 154522 + ... + 158821.

It is an arithmetic number, because the mean of its divisors is an integer number (53425152).

Almost surely, 2^673687450 is an apocalyptic number.

673687450 is a deficient number, since it is larger than the sum of its proper divisors (608516198).

673687450 is a wasteful number, since it uses less digits than its factorization.

673687450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313398 (or 313393 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 46.

The square root of 673687450 is about 25955.4897853999. The cubic root of 673687450 is about 876.6363718626.

The spelling of 673687450 in words is "six hundred seventy-three million, six hundred eighty-seven thousand, four hundred fifty".