47071988 has 24 divisors (see below), whose sum is σ = 85730400. Its totient is φ = 22587488.

The previous prime is 47071951. The next prime is 47072009. The reversal of 47071988 is 88917074.

47071988 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×47071988³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

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, 19631 + ... + 21897.

It is an arithmetic number, because the mean of its divisors is an integer number (3572100).

Almost surely, 2^47071988 is an apocalyptic number.

It is an amenable number.

47071988 is a deficient number, since it is larger than the sum of its proper divisors (38658412).

47071988 is a wasteful number, since it uses less digits than its factorization.

47071988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2479 (or 2477 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 44.

The square root of 47071988 is about 6860.9028560387. The cubic root of 47071988 is about 361.0667637918.

The spelling of 47071988 in words is "forty-seven million, seventy-one thousand, nine hundred eighty-eight".