537284772 has 48 divisors (see below), whose sum is σ = 1401877120. Its totient is φ = 177948576.

The previous prime is 537284749. The next prime is 537284773. The reversal of 537284772 is 277482735.

537284772 is a `hidden beast` number, since 537 + 2 + 8 + 47 + 72 = 666.

It is not an unprimeable number, because it can be changed into a prime (537284773) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1113 + ... + 32799.

Almost surely, 2^537284772 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 537284772, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (700938560).

537284772 is an abundant number, since it is smaller than the sum of its proper divisors (864592348).

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

537284772 is a wasteful number, since it uses less digits than its factorization.

537284772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31857 (or 31849 counting only the distinct ones).

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

The square root of 537284772 is about 23179.4040475591. The cubic root of 537284772 is about 812.9581274985.

The spelling of 537284772 in words is "five hundred thirty-seven million, two hundred eighty-four thousand, seven hundred seventy-two".