673752109 has 8 divisors (see below), whose sum is σ = 736397568. Its totient is φ = 613663680.

The previous prime is 673752083. The next prime is 673752119. The reversal of 673752109 is 901257376.

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 673752109 - 2⁵ = 673752077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673752119) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 638707 + ... + 639760.

It is an arithmetic number, because the mean of its divisors is an integer number (92049696).

Almost surely, 2^673752109 is an apocalyptic number.

It is an amenable number.

673752109 is a deficient number, since it is larger than the sum of its proper divisors (62645459).

673752109 is a wasteful number, since it uses less digits than its factorization.

673752109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1278515.

The product of its (nonzero) digits is 79380, while the sum is 40.

The square root of 673752109 is about 25956.7353301605. The cubic root of 673752109 is about 876.6644168251.

The spelling of 673752109 in words is "six hundred seventy-three million, seven hundred fifty-two thousand, one hundred nine".