507740 has 24 divisors (see below), whose sum is σ = 1088640. Its totient is φ = 198848.

The previous prime is 507719. The next prime is 507743. The reversal of 507740 is 47705.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (507743) by changing a digit.

507740 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 821 + ... + 1299.

It is an arithmetic number, because the mean of its divisors is an integer number (45360).

2⁵⁰⁷⁷⁴⁰ is an apocalyptic number.

It is an amenable number.

507740 is an abundant number, since it is smaller than the sum of its proper divisors (580900).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

507740 is a wasteful number, since it uses less digits than its factorization.

507740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 541 (or 539 counting only the distinct ones).

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

The square root of 507740 is about 712.5587695061. The cubic root of 507740 is about 79.7775067833. Note that the first 3 decimals are identical.

The spelling of 507740 in words is "five hundred seven thousand, seven hundred forty".