673553577 has 4 divisors (see below), whose sum is σ = 898071440. Its totient is φ = 449035716.

The previous prime is 673553561. The next prime is 673553579. The reversal of 673553577 is 775355376.

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 not a de Polignac number, because 673553577 - 2⁴ = 673553561 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673553579) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 112258927 + ... + 112258932.

It is an arithmetic number, because the mean of its divisors is an integer number (224517860).

Almost surely, 2^673553577 is an apocalyptic number.

It is an amenable number.

673553577 is a deficient number, since it is larger than the sum of its proper divisors (224517863).

673553577 is a wasteful number, since it uses less digits than its factorization.

673553577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224517862.

The product of its digits is 2315250, while the sum is 48.

The square root of 673553577 is about 25952.9107616082. The cubic root of 673553577 is about 876.5783005639.

The spelling of 673553577 in words is "six hundred seventy-three million, five hundred fifty-three thousand, five hundred seventy-seven".