673684250 has 32 divisors (see below), whose sum is σ = 1301833728. Its totient is φ = 260778000.

The previous prime is 673684217. The next prime is 673684261. The reversal of 673684250 is 52486376.

It is a happy number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 673684198 and 673684207.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35714 + ... + 51213.

It is an arithmetic number, because the mean of its divisors is an integer number (40682304).

Almost surely, 2^673684250 is an apocalyptic number.

673684250 is a deficient number, since it is larger than the sum of its proper divisors (628149478).

673684250 is a wasteful number, since it uses less digits than its factorization.

673684250 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86975 (or 86965 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 41.

The square root of 673684250 is about 25955.4281413349. The cubic root of 673684250 is about 876.6349838595.

The spelling of 673684250 in words is "six hundred seventy-three million, six hundred eighty-four thousand, two hundred fifty".