47109580 has 72 divisors (see below), whose sum is σ = 117382608. Its totient is φ = 15829632.

The previous prime is 47109539. The next prime is 47109581. The reversal of 47109580 is 8590174.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (47109581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51487 + ... + 52393.

It is an arithmetic number, because the mean of its divisors is an integer number (1630314).

Almost surely, 2^47109580 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 47109580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (58691304).

47109580 is an abundant number, since it is smaller than the sum of its proper divisors (70273028).

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

47109580 is a wasteful number, since it uses less digits than its factorization.

47109580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 10080, while the sum is 34.

The square root of 47109580 is about 6863.6418904252. The cubic root of 47109580 is about 361.1628549828.

The spelling of 47109580 in words is "forty-seven million, one hundred nine thousand, five hundred eighty".