503660772 has 36 divisors (see below), whose sum is σ = 1282448076. Its totient is φ = 166659840.

The previous prime is 503660743. The next prime is 503660779. The reversal of 503660772 is 277066305.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 116122176 + 387538596 = 10776^2 + 19686^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (503660779) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 46129 + ... + 55992.

Almost surely, 2^503660772 is an apocalyptic number.

It is an amenable number.

503660772 is an abundant number, since it is smaller than the sum of its proper divisors (778787304).

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

503660772 is a wasteful number, since it uses less digits than its factorization.

503660772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102268 (or 102263 counting only the distinct ones).

The product of its (nonzero) digits is 52920, while the sum is 36.

The square root of 503660772 is about 22442.3878408693. The cubic root of 503660772 is about 795.6328555249.

The spelling of 503660772 in words is "five hundred three million, six hundred sixty thousand, seven hundred seventy-two".