673340671 has 4 divisors (see below), whose sum is σ = 679299552. Its totient is φ = 667381792.

The previous prime is 673340669. The next prime is 673340711. The reversal of 673340671 is 176043376.

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 673340671 - 2¹ = 673340669 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 673340671.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673340611) 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, 2979271 + ... + 2979496.

It is an arithmetic number, because the mean of its divisors is an integer number (169824888).

Almost surely, 2^673340671 is an apocalyptic number.

673340671 is a deficient number, since it is larger than the sum of its proper divisors (5958881).

673340671 is a wasteful number, since it uses less digits than its factorization.

673340671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5958880.

The product of its (nonzero) digits is 63504, while the sum is 37.

The square root of 673340671 is about 25948.8086624415. The cubic root of 673340671 is about 876.4859305562.

The spelling of 673340671 in words is "six hundred seventy-three million, three hundred forty thousand, six hundred seventy-one".