47671668 has 36 divisors (see below), whose sum is σ = 131459328. Its totient is φ = 14445840.

The previous prime is 47671667. The next prime is 47671669. The reversal of 47671668 is 86617674.

It is an interprime number because it is at equal distance from previous prime (47671667) and next prime (47671669).

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47671661) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59796 + ... + 60587.

It is an arithmetic number, because the mean of its divisors is an integer number (3651648).

Almost surely, 2^47671668 is an apocalyptic number.

It is an amenable number.

47671668 is an abundant number, since it is smaller than the sum of its proper divisors (83787660).

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

47671668 is a wasteful number, since it uses less digits than its factorization.

47671668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120404 (or 120399 counting only the distinct ones).

The product of its digits is 338688, while the sum is 45.

The square root of 47671668 is about 6904.4672495421. The cubic root of 47671668 is about 362.5935847160.

The spelling of 47671668 in words is "forty-seven million, six hundred seventy-one thousand, six hundred sixty-eight".