147835728 has 60 divisors (see below), whose sum is σ = 414645088. Its totient is φ = 49170240.

The previous prime is 147835687. The next prime is 147835733. The reversal of 147835728 is 827538741.

147835728 is a `hidden beast` number, since 1 + 4 + 78 + 3 + 572 + 8 = 666.

147835728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90051 + ... + 91677.

Almost surely, 2^147835728 is an apocalyptic number.

147835728 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

147835728 is an abundant number, since it is smaller than the sum of its proper divisors (266809360).

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

147835728 is a wasteful number, since it uses less digits than its factorization.

147835728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2272 (or 2263 counting only the distinct ones).

The product of its digits is 376320, while the sum is 45.

The square root of 147835728 is about 12158.7716484849. The cubic root of 147835728 is about 528.7614701668.

The spelling of 147835728 in words is "one hundred forty-seven million, eight hundred thirty-five thousand, seven hundred twenty-eight".