47580945 has 8 divisors (see below), whose sum is σ = 76129536. Its totient is φ = 25376496.

The previous prime is 47580917. The next prime is 47580947. The reversal of 47580945 is 54908574.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 47580945 - 2⁶ = 47580881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47580897 and 47580906.

It is not an unprimeable number, because it can be changed into a prime (47580947) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1586017 + ... + 1586046.

It is an arithmetic number, because the mean of its divisors is an integer number (9516192).

Almost surely, 2^47580945 is an apocalyptic number.

It is an amenable number.

47580945 is a deficient number, since it is larger than the sum of its proper divisors (28548591).

47580945 is a wasteful number, since it uses less digits than its factorization.

47580945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3172071.

The product of its (nonzero) digits is 201600, while the sum is 42.

The square root of 47580945 is about 6897.8942438979. The cubic root of 47580945 is about 362.3634237776.

The spelling of 47580945 in words is "forty-seven million, five hundred eighty thousand, nine hundred forty-five".