673707347 has 4 divisors (see below), whose sum is σ = 673855656. Its totient is φ = 673559040.

The previous prime is 673707337. The next prime is 673707361. The reversal of 673707347 is 743707376.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 673707347 - 2¹⁸ = 673445203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 673707298 and 673707307.

It is not an unprimeable number, because it can be changed into a prime (673707317) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 67118 + ... + 76499.

It is an arithmetic number, because the mean of its divisors is an integer number (168463914).

Almost surely, 2^673707347 is an apocalyptic number.

673707347 is a deficient number, since it is larger than the sum of its proper divisors (148309).

673707347 is a wasteful number, since it uses less digits than its factorization.

673707347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148308.

The product of its (nonzero) digits is 518616, while the sum is 44.

The square root of 673707347 is about 25955.8730733528. The cubic root of 673707347 is about 876.6450021071.

The spelling of 673707347 in words is "six hundred seventy-three million, seven hundred seven thousand, three hundred forty-seven".