673028405 has 8 divisors (see below), whose sum is σ = 923010432. Its totient is φ = 461505168.

The previous prime is 673028359. The next prime is 673028417. The reversal of 673028405 is 504820376.

It is a happy number.

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 673028405 - 2¹² = 673024309 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 19229383 = 673028405 / (6 + 7 + 3 + 0 + 2 + 8 + 4 + 0 + 5).

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9614657 + ... + 9614726.

It is an arithmetic number, because the mean of its divisors is an integer number (115376304).

Almost surely, 2^673028405 is an apocalyptic number.

It is an amenable number.

673028405 is a deficient number, since it is larger than the sum of its proper divisors (249982027).

673028405 is a wasteful number, since it uses less digits than its factorization.

673028405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19229395.

The product of its (nonzero) digits is 40320, while the sum is 35.

The square root of 673028405 is about 25942.7910025117. The cubic root of 673028405 is about 876.3504176389.

The spelling of 673028405 in words is "six hundred seventy-three million, twenty-eight thousand, four hundred five".