47289528 has 128 divisors (see below), whose sum is σ = 154425600. Its totient is φ = 13219200.

The previous prime is 47289511. The next prime is 47289553. The reversal of 47289528 is 82598274.

47289528 is a `hidden beast` number, since 47 + 2 + 89 + 528 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30123 + ... + 31653.

It is an arithmetic number, because the mean of its divisors is an integer number (1206450).

Almost surely, 2^47289528 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 47289528, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77212800).

47289528 is an abundant number, since it is smaller than the sum of its proper divisors (107136072).

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

47289528 is a wasteful number, since it uses less digits than its factorization.

47289528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570 (or 1560 counting only the distinct ones).

The product of its digits is 322560, while the sum is 45.

The square root of 47289528 is about 6876.7381802712. The cubic root of 47289528 is about 361.6221243348.

It can be divided in two parts, 472 and 89528, that added together give a square (90000 = 300²).

The spelling of 47289528 in words is "forty-seven million, two hundred eighty-nine thousand, five hundred twenty-eight".