673448665 has 8 divisors (see below), whose sum is σ = 825333120. Its totient is φ = 527295792.

The previous prime is 673448663. The next prime is 673448669. The reversal of 673448665 is 566844376.

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

It is a cyclic number.

It is not a de Polignac number, because 673448665 - 2¹ = 673448663 is a prime.

It is not an unprimeable number, because it can be changed into a prime (673448663) 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, 1432635 + ... + 1433104.

It is an arithmetic number, because the mean of its divisors is an integer number (103166640).

Almost surely, 2^673448665 is an apocalyptic number.

It is an amenable number.

673448665 is a deficient number, since it is larger than the sum of its proper divisors (151884455).

673448665 is a wasteful number, since it uses less digits than its factorization.

673448665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2865791.

The product of its digits is 2903040, while the sum is 49.

The square root of 673448665 is about 25950.8894837923. The cubic root of 673448665 is about 876.5327865613.

The spelling of 673448665 in words is "six hundred seventy-three million, four hundred forty-eight thousand, six hundred sixty-five".