531272704 has 44 divisors (see below), whose sum is σ = 1066429684. Its totient is φ = 264536064.

The previous prime is 531272671. The next prime is 531272717. The reversal of 531272704 is 407272135.

It can be written as a sum of positive squares in 2 ways, for example, as 45158400 + 486114304 = 6720^2 + 22048^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 282712 + ... + 284584.

Almost surely, 2^531272704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 531272704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533214842).

531272704 is an abundant number, since it is smaller than the sum of its proper divisors (535156980).

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

531272704 is a wasteful number, since it uses less digits than its factorization.

531272704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2170 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 531272704 is about 23049.3536568816. The cubic root of 531272704 is about 809.9144877466.

The spelling of 531272704 in words is "five hundred thirty-one million, two hundred seventy-two thousand, seven hundred four".