520579742 has 8 divisors (see below), whose sum is σ = 786487800. Its totient is φ = 258417144.

The previous prime is 520579693. The next prime is 520579753. The reversal of 520579742 is 247975025.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 520579742.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 936017 + ... + 936572.

It is an arithmetic number, because the mean of its divisors is an integer number (98310975).

Almost surely, 2^520579742 is an apocalyptic number.

520579742 is a deficient number, since it is larger than the sum of its proper divisors (265908058).

520579742 is a wasteful number, since it uses less digits than its factorization.

520579742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1872730.

The product of its (nonzero) digits is 176400, while the sum is 41.

The square root of 520579742 is about 22816.2166451846. The cubic root of 520579742 is about 804.4438847776.

The spelling of 520579742 in words is "five hundred twenty million, five hundred seventy-nine thousand, seven hundred forty-two".