520276738 has 16 divisors (see below), whose sum is σ = 828978840. Its totient is φ = 244048896.

The previous prime is 520276727. The next prime is 520276741. The reversal of 520276738 is 837672025.

It can be written as a sum of positive squares in 4 ways, for example, as 377641489 + 142635249 = 19433^2 + 11943^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 520276738.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13803 + ... + 35086.

Almost surely, 2^520276738 is an apocalyptic number.

520276738 is a deficient number, since it is larger than the sum of its proper divisors (308702102).

520276738 is a wasteful number, since it uses less digits than its factorization.

520276738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49221.

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 520276738 is about 22809.5755769370. The cubic root of 520276738 is about 804.2877786764.

The spelling of 520276738 in words is "five hundred twenty million, two hundred seventy-six thousand, seven hundred thirty-eight".