673737011 has 2 divisors, whose sum is σ = 673737012. Its totient is φ = 673737010.

The previous prime is 673736977. The next prime is 673737023. The reversal of 673737011 is 110737376.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-673737011 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (673737041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 336868505 + 336868506.

It is an arithmetic number, because the mean of its divisors is an integer number (336868506).

Almost surely, 2^673737011 is an apocalyptic number.

673737011 is a deficient number, since it is larger than the sum of its proper divisors (1).

673737011 is an equidigital number, since it uses as much as digits as its factorization.

673737011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18522, while the sum is 35.

The square root of 673737011 is about 25956.4444984285. Note that the first 4 decimals coincide. The cubic root of 673737011 is about 876.6578684334.

The spelling of 673737011 in words is "six hundred seventy-three million, seven hundred thirty-seven thousand, eleven".