673270403 has 4 divisors (see below), whose sum is σ = 725060448. Its totient is φ = 621480360.

The previous prime is 673270399. The next prime is 673270447. The reversal of 673270403 is 304072376.

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 673270403 - 2² = 673270399 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 673270403.

It is not an unprimeable number, because it can be changed into a prime (673270483) 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, 25895003 + ... + 25895028.

It is an arithmetic number, because the mean of its divisors is an integer number (181265112).

Almost surely, 2^673270403 is an apocalyptic number.

673270403 is a deficient number, since it is larger than the sum of its proper divisors (51790045).

673270403 is a wasteful number, since it uses less digits than its factorization.

673270403 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51790044.

The product of its (nonzero) digits is 21168, while the sum is 32.

The square root of 673270403 is about 25947.4546535879. The cubic root of 673270403 is about 876.4554402668.

The spelling of 673270403 in words is "six hundred seventy-three million, two hundred seventy thousand, four hundred three".