673866011 has 16 divisors (see below), whose sum is σ = 857976000. Its totient is φ = 514781568.

The previous prime is 673866007. The next prime is 673866031. The reversal of 673866011 is 110668376.

It is not a de Polignac number, because 673866011 - 2² = 673866007 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673866001) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 125036 + ... + 130313.

It is an arithmetic number, because the mean of its divisors is an integer number (53623500).

Almost surely, 2^673866011 is an apocalyptic number.

673866011 is a deficient number, since it is larger than the sum of its proper divisors (184109989).

673866011 is a wasteful number, since it uses less digits than its factorization.

673866011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 255398.

The product of its (nonzero) digits is 36288, while the sum is 38.

The square root of 673866011 is about 25958.9293115105. The cubic root of 673866011 is about 876.7138159056.

The spelling of 673866011 in words is "six hundred seventy-three million, eight hundred sixty-six thousand, eleven".