673955579 has 8 divisors (see below), whose sum is σ = 749097072. Its totient is φ = 601126240.

The previous prime is 673955561. The next prime is 673955587. The reversal of 673955579 is 975559376.

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

It is a de Polignac number, because none of the positive numbers 2^k-673955579 is a prime.

It is a super-2 number, since 2×673955579² = 908432244930450482, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (673955549) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577424 + ... + 578589.

It is an arithmetic number, because the mean of its divisors is an integer number (93637134).

Almost surely, 2^673955579 is an apocalyptic number.

673955579 is a deficient number, since it is larger than the sum of its proper divisors (75141493).

673955579 is a wasteful number, since it uses less digits than its factorization.

673955579 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1156077.

The product of its digits is 8930250, while the sum is 56.

The square root of 673955579 is about 25960.6544409034. The cubic root of 673955579 is about 876.7526574671.

The spelling of 673955579 in words is "six hundred seventy-three million, nine hundred fifty-five thousand, five hundred seventy-nine".