47685180 has 48 divisors (see below), whose sum is σ = 134346240. Its totient is φ = 12637248.

The previous prime is 47685167. The next prime is 47685191. The reversal of 47685180 is 8158674.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7641 + ... + 12399.

It is an arithmetic number, because the mean of its divisors is an integer number (2798880).

Almost surely, 2^47685180 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 47685180, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67173120).

47685180 is an abundant number, since it is smaller than the sum of its proper divisors (86661060).

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

47685180 is a wasteful number, since it uses less digits than its factorization.

47685180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4938 (or 4936 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 47685180 is about 6905.4456771450. The cubic root of 47685180 is about 362.6278391757.

The spelling of 47685180 in words is "forty-seven million, six hundred eighty-five thousand, one hundred eighty".