47437866 has 32 divisors (see below), whose sum is σ = 120478080. Its totient is φ = 13553568.

The previous prime is 47437849. The next prime is 47437877. The reversal of 47437866 is 66873474.

47437866 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 3×47437866³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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 15 ways as a sum of consecutive naturals, for example, 62371 + ... + 63126.

It is an arithmetic number, because the mean of its divisors is an integer number (3764940).

Almost surely, 2^47437866 is an apocalyptic number.

47437866 is an abundant number, since it is smaller than the sum of its proper divisors (73040214).

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

47437866 is a wasteful number, since it uses less digits than its factorization.

47437866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125515 (or 125509 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 47437866 is about 6887.5152268434. The cubic root of 47437866 is about 361.9998422921. Note that the first 3 decimals are identical.

The spelling of 47437866 in words is "forty-seven million, four hundred thirty-seven thousand, eight hundred sixty-six".