673668652 has 12 divisors (see below), whose sum is σ = 1196516440. Its totient is φ = 331806816.

The previous prime is 673668649. The next prime is 673668691. The reversal of 673668652 is 256866376.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 673668596 and 673668605.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1256577 + ... + 1257112.

Almost surely, 2^673668652 is an apocalyptic number.

It is an amenable number.

673668652 is a deficient number, since it is larger than the sum of its proper divisors (522847788).

673668652 is a wasteful number, since it uses less digits than its factorization.

673668652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2513760 (or 2513758 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 49.

The square root of 673668652 is about 25955.1276629494. The cubic root of 673668652 is about 876.6282181489.

It can be divided in two parts, 67 and 3668652, that multiplied together give a square (245799684 = 15678²).

The spelling of 673668652 in words is "six hundred seventy-three million, six hundred sixty-eight thousand, six hundred fifty-two".