47975166 has 80 divisors (see below), whose sum is σ = 114162048. Its totient is φ = 15033600.

The previous prime is 47975159. The next prime is 47975233. The reversal of 47975166 is 66157974.

It is a happy number.

47975166 is a `hidden beast` number, since 47 + 97 + 516 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 205786 + ... + 206018.

Almost surely, 2^47975166 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47975166, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (57081024).

47975166 is an abundant number, since it is smaller than the sum of its proper divisors (66186882).

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

47975166 is a wasteful number, since it uses less digits than its factorization.

47975166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 319 (or 310 counting only the distinct ones).

The product of its digits is 317520, while the sum is 45.

The square root of 47975166 is about 6926.4107588274. The cubic root of 47975166 is about 363.3614322366.

The spelling of 47975166 in words is "forty-seven million, nine hundred seventy-five thousand, one hundred sixty-six".