520345704 has 32 divisors (see below), whose sum is σ = 1369332000. Its totient is φ = 164319552.

The previous prime is 520345703. The next prime is 520345717. The reversal of 520345704 is 407543025.

It is not an unprimeable number, because it can be changed into a prime (520345703) 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, 570099 + ... + 571010.

It is an arithmetic number, because the mean of its divisors is an integer number (42791625).

Almost surely, 2^520345704 is an apocalyptic number.

It is an amenable number.

520345704 is an abundant number, since it is smaller than the sum of its proper divisors (848986296).

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

520345704 is a wasteful number, since it uses less digits than its factorization.

520345704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1141137 (or 1141133 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 520345704 is about 22811.0873042036. The cubic root of 520345704 is about 804.3233149312.

Adding to 520345704 its reverse (407543025), we get a palindrome (927888729).

The spelling of 520345704 in words is "five hundred twenty million, three hundred forty-five thousand, seven hundred four".