487673 has 4 divisors (see below), whose sum is σ = 513360. Its totient is φ = 461988.

The previous prime is 487657. The next prime is 487681. The reversal of 487673 is 376784.

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 a cyclic number.

It is not a de Polignac number, because 487673 - 2⁴ = 487657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (487603) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12815 + ... + 12852.

It is an arithmetic number, because the mean of its divisors is an integer number (128340).

2⁴⁸⁷⁶⁷³ is an apocalyptic number.

It is an amenable number.

487673 is a deficient number, since it is larger than the sum of its proper divisors (25687).

487673 is a wasteful number, since it uses less digits than its factorization.

487673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25686.

The product of its digits is 28224, while the sum is 35.

The square root of 487673 is about 698.3358790725. The cubic root of 487673 is about 78.7123545609.

Subtracting from 487673 its reverse (376784), we obtain a square (110889 = 333²).

The spelling of 487673 in words is "four hundred eighty-seven thousand, six hundred seventy-three".