520667672 has 16 divisors (see below), whose sum is σ = 1115716560. Its totient is φ = 223143264.

The previous prime is 520667669. The next prime is 520667681. The reversal of 520667672 is 276766025.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4648763 + ... + 4648874.

It is an arithmetic number, because the mean of its divisors is an integer number (69732285).

Almost surely, 2^520667672 is an apocalyptic number.

It is an amenable number.

520667672 is an abundant number, since it is smaller than the sum of its proper divisors (595048888).

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

520667672 is a wasteful number, since it uses less digits than its factorization.

520667672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9297650 (or 9297646 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 41.

The square root of 520667672 is about 22818.1434827639. The cubic root of 520667672 is about 804.4891745209.

The spelling of 520667672 in words is "five hundred twenty million, six hundred sixty-seven thousand, six hundred seventy-two".