673927445 has 8 divisors (see below), whose sum is σ = 834800640. Its totient is φ = 521750160.

The previous prime is 673927411. The next prime is 673927453. The reversal of 673927445 is 544729376.

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

It is not a de Polignac number, because 673927445 - 2¹⁴ = 673911061 is a prime.

It is a super-2 number, since 2×673927445² = 908356402248456050, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 673927445.

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, 2173805 + ... + 2174114.

It is an arithmetic number, because the mean of its divisors is an integer number (104350080).

Almost surely, 2^673927445 is an apocalyptic number.

It is an amenable number.

673927445 is a deficient number, since it is larger than the sum of its proper divisors (160873195).

673927445 is a wasteful number, since it uses less digits than its factorization.

673927445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4347955.

The product of its digits is 1270080, while the sum is 47.

The square root of 673927445 is about 25960.1125767975. The cubic root of 673927445 is about 876.7404574036.

The spelling of 673927445 in words is "six hundred seventy-three million, nine hundred twenty-seven thousand, four hundred forty-five".