507704 has 8 divisors (see below), whose sum is σ = 951960. Its totient is φ = 253848.

The previous prime is 507697. The next prime is 507713. The reversal of 507704 is 407705.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a self number, because there is not a number n which added to its sum of digits gives 507704.

It is a congruent number.

It is an unprimeable number.

507704 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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 as a sum of consecutive naturals, namely, 31724 + ... + 31739.

It is an arithmetic number, because the mean of its divisors is an integer number (118995).

2⁵⁰⁷⁷⁰⁴ is an apocalyptic number.

It is an amenable number.

507704 is a deficient number, since it is larger than the sum of its proper divisors (444256).

507704 is a wasteful number, since it uses less digits than its factorization.

507704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63469 (or 63465 counting only the distinct ones).

The product of its (nonzero) digits is 980, while the sum is 23.

The square root of 507704 is about 712.5335079840. The cubic root of 507704 is about 79.7756212657.

Subtracting from 507704 its reverse (407705), we obtain a palindrome (99999).

The spelling of 507704 in words is "five hundred seven thousand, seven hundred four".