673520619 has 8 divisors (see below), whose sum is σ = 898341840. Its totient is φ = 448856576.

The previous prime is 673520611. The next prime is 673520629. The reversal of 673520619 is 916025376.

673520619 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 673520619 - 2³ = 673520611 is a prime.

It is a super-2 number, since 2×673520619² = 907260048436286322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (673520611) 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, 28902 + ... + 46715.

It is an arithmetic number, because the mean of its divisors is an integer number (112292730).

Almost surely, 2^673520619 is an apocalyptic number.

673520619 is a deficient number, since it is larger than the sum of its proper divisors (224821221).

673520619 is a wasteful number, since it uses less digits than its factorization.

673520619 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78589.

The product of its (nonzero) digits is 68040, while the sum is 39.

The square root of 673520619 is about 25952.2757961609. The cubic root of 673520619 is about 876.5640028946.

The spelling of 673520619 in words is "six hundred seventy-three million, five hundred twenty thousand, six hundred nineteen".