505507673 has 8 divisors (see below), whose sum is σ = 580487520. Its totient is φ = 435365280.

The previous prime is 505507663. The next prime is 505507687. The reversal of 505507673 is 376705505.

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 505507673 - 2⁴ = 505507657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (505507663) 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, 1209140 + ... + 1209557.

It is an arithmetic number, because the mean of its divisors is an integer number (72560940).

Almost surely, 2^505507673 is an apocalyptic number.

It is an amenable number.

505507673 is a deficient number, since it is larger than the sum of its proper divisors (74979847).

505507673 is a wasteful number, since it uses less digits than its factorization.

505507673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2418727.

The product of its (nonzero) digits is 110250, while the sum is 38.

The square root of 505507673 is about 22483.4977928257. The cubic root of 505507673 is about 796.6041856389.

The spelling of 505507673 in words is "five hundred five million, five hundred seven thousand, six hundred seventy-three".