673528757 has 16 divisors (see below), whose sum is σ = 767950848. Its totient is φ = 584725680.

The previous prime is 673528747. The next prime is 673528781. The reversal of 673528757 is 757825376.

It is a happy number.

673528757 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 673528757 - 2¹⁴ = 673512373 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (673528747) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 186188 + ... + 189770.

It is an arithmetic number, because the mean of its divisors is an integer number (47996928).

Almost surely, 2^673528757 is an apocalyptic number.

It is an amenable number.

673528757 is a deficient number, since it is larger than the sum of its proper divisors (94422091).

673528757 is a wasteful number, since it uses less digits than its factorization.

673528757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4360.

The product of its digits is 2469600, while the sum is 50.

The square root of 673528757 is about 25952.4325834786. The cubic root of 673528757 is about 876.5675333231.

The spelling of 673528757 in words is "six hundred seventy-three million, five hundred twenty-eight thousand, seven hundred fifty-seven".