47728158 has 16 divisors (see below), whose sum is σ = 98535936. Its totient is φ = 15396120.

The previous prime is 47728103. The next prime is 47728159. The reversal of 47728158 is 85182774.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47728159) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 128116 + ... + 128487.

It is an arithmetic number, because the mean of its divisors is an integer number (6158496).

Almost surely, 2^47728158 is an apocalyptic number.

47728158 is an abundant number, since it is smaller than the sum of its proper divisors (50807778).

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

47728158 is a wasteful number, since it uses less digits than its factorization.

47728158 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 256639.

The product of its digits is 125440, while the sum is 42.

The square root of 47728158 is about 6908.5568681165. The cubic root of 47728158 is about 362.7367502981.

The spelling of 47728158 in words is "forty-seven million, seven hundred twenty-eight thousand, one hundred fifty-eight".