537472728 has 72 divisors (see below), whose sum is σ = 1576277820. Its totient is φ = 165372480.

The previous prime is 537472711. The next prime is 537472759. The reversal of 537472728 is 827274735.

537472728 is a `hidden beast` number, since 5 + 374 + 7 + 272 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

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 17 ways as a sum of consecutive naturals, for example, 9918 + ... + 34253.

Almost surely, 2^537472728 is an apocalyptic number.

It is an amenable number.

537472728 is an abundant number, since it is smaller than the sum of its proper divisors (1038805092).

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

537472728 is a wasteful number, since it uses less digits than its factorization.

537472728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44209 (or 44189 counting only the distinct ones).

The product of its digits is 658560, while the sum is 45.

The square root of 537472728 is about 23183.4580682003. The cubic root of 537472728 is about 813.0529143176.

The spelling of 537472728 in words is "five hundred thirty-seven million, four hundred seventy-two thousand, seven hundred twenty-eight".