528478272 has 84 divisors (see below), whose sum is σ = 1731198976. Its totient is φ = 150992640.

The previous prime is 528478259. The next prime is 528478283. The reversal of 528478272 is 272874825.

528478272 is a `hidden beast` number, since 528 + 47 + 82 + 7 + 2 = 666.

It is a tau number, because it is divible by the number of its divisors (84).

It is a super-2 number, since 2×528478272² = 558578567952211968, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61504 + ... + 69567.

Almost surely, 2^528478272 is an apocalyptic number.

It is an amenable number.

528478272 is an abundant number, since it is smaller than the sum of its proper divisors (1202720704).

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

528478272 is a wasteful number, since it uses less digits than its factorization.

528478272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131096 (or 131083 counting only the distinct ones).

The product of its digits is 501760, while the sum is 45.

The square root of 528478272 is about 22988.6552890768. The cubic root of 528478272 is about 808.4919723881.

The spelling of 528478272 in words is "five hundred twenty-eight million, four hundred seventy-eight thousand, two hundred seventy-two".