520754726 has 8 divisors (see below), whose sum is σ = 781441344. Its totient is φ = 260274280.

The previous prime is 520754681. The next prime is 520754747. The reversal of 520754726 is 627457025.

It is a happy number.

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 520754726.

It is a congruent number.

It is an unprimeable 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 in 3 ways as a sum of consecutive naturals, for example, 45065 + ... + 55428.

It is an arithmetic number, because the mean of its divisors is an integer number (97680168).

Almost surely, 2^520754726 is an apocalyptic number.

520754726 is a deficient number, since it is larger than the sum of its proper divisors (260686618).

520754726 is a wasteful number, since it uses less digits than its factorization.

520754726 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103086.

The product of its (nonzero) digits is 117600, while the sum is 38.

The square root of 520754726 is about 22820.0509640097. The cubic root of 520754726 is about 804.5340080437.

The spelling of 520754726 in words is "five hundred twenty million, seven hundred fifty-four thousand, seven hundred twenty-six".