673763613 has 8 divisors (see below), whose sum is σ = 915301728. Its totient is φ = 440700624.

The previous prime is 673763611. The next prime is 673763663. The reversal of 673763613 is 316367376.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 673763613 - 2¹ = 673763611 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673763611) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118595 + ... + 2118912.

It is an arithmetic number, because the mean of its divisors is an integer number (114412716).

Almost surely, 2^673763613 is an apocalyptic number.

It is an amenable number.

673763613 is a deficient number, since it is larger than the sum of its proper divisors (241538115).

673763613 is a wasteful number, since it uses less digits than its factorization.

673763613 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4237563.

The product of its digits is 285768, while the sum is 42.

The square root of 673763613 is about 25956.9569287311. The cubic root of 673763613 is about 876.6694063408.

The spelling of 673763613 in words is "six hundred seventy-three million, seven hundred sixty-three thousand, six hundred thirteen".