47580666 has 24 divisors (see below), whose sum is σ = 110698560. Its totient is φ = 13594392.

The previous prime is 47580649. The next prime is 47580667. The reversal of 47580666 is 66608574.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (47580667) 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, 80626 + ... + 81213.

It is an arithmetic number, because the mean of its divisors is an integer number (4612440).

Almost surely, 2^47580666 is an apocalyptic number.

47580666 is an abundant number, since it is smaller than the sum of its proper divisors (63117894).

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

47580666 is a wasteful number, since it uses less digits than its factorization.

47580666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161858 (or 161851 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 47580666 is about 6897.8740203051. The cubic root of 47580666 is about 362.3627155138.

The spelling of 47580666 in words is "forty-seven million, five hundred eighty thousand, six hundred sixty-six".