539478272 has 72 divisors (see below), whose sum is σ = 1151332056. Its totient is φ = 251396096.

The previous prime is 539478263. The next prime is 539478293. The reversal of 539478272 is 272874935.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 5683456 + 533794816 = 2384^2 + 23104^2 .

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, 491228 + ... + 492324.

It is an arithmetic number, because the mean of its divisors is an integer number (15990723).

Almost surely, 2^539478272 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 539478272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (575666028).

539478272 is an abundant number, since it is smaller than the sum of its proper divisors (611853784).

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

539478272 is a wasteful number, since it uses less digits than its factorization.

539478272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1243 (or 1229 counting only the distinct ones).

The product of its digits is 846720, while the sum is 47.

The square root of 539478272 is about 23226.6715652502. The cubic root of 539478272 is about 814.0629434954.

The spelling of 539478272 in words is "five hundred thirty-nine million, four hundred seventy-eight thousand, two hundred seventy-two".