673430417 has 4 divisors (see below), whose sum is σ = 734651376. Its totient is φ = 612209460.

The previous prime is 673430323. The next prime is 673430419. The reversal of 673430417 is 714034376.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 673430417 - 2⁸ = 673430161 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673430419) 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, 30610463 + ... + 30610484.

It is an arithmetic number, because the mean of its divisors is an integer number (183662844).

Almost surely, 2^673430417 is an apocalyptic number.

It is an amenable number.

673430417 is a deficient number, since it is larger than the sum of its proper divisors (61220959).

673430417 is a wasteful number, since it uses less digits than its factorization.

673430417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61220958.

The product of its (nonzero) digits is 42336, while the sum is 35.

The square root of 673430417 is about 25950.5378942326. The cubic root of 673430417 is about 876.5248695437.

The spelling of 673430417 in words is "six hundred seventy-three million, four hundred thirty thousand, four hundred seventeen".