47870136 has 32 divisors (see below), whose sum is σ = 132973200. Its totient is φ = 15956640.

The previous prime is 47870131. The next prime is 47870159. The reversal of 47870136 is 63107874.

47870136 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 47870136.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47870131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 110595 + ... + 111026.

Almost surely, 2^47870136 is an apocalyptic number.

It is an amenable number.

47870136 is an abundant number, since it is smaller than the sum of its proper divisors (85103064).

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

47870136 is a wasteful number, since it uses less digits than its factorization.

47870136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 221636 (or 221626 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 47870136 is about 6918.8247556937. The cubic root of 47870136 is about 363.0960745630.

The spelling of 47870136 in words is "forty-seven million, eight hundred seventy thousand, one hundred thirty-six".