47585140 has 24 divisors (see below), whose sum is σ = 100922472. Its totient is φ = 18844800.

The previous prime is 47585099. The next prime is 47585141. The reversal of 47585140 is 4158574.

It can be written as a sum of positive squares in 4 ways, for example, as 2802276 + 44782864 = 1674^2 + 6692^2 .

It is a junction number, because it is equal to n+sod(n) for n = 47585096 and 47585105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47585141) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9759 + ... + 13798.

It is an arithmetic number, because the mean of its divisors is an integer number (4205103).

Almost surely, 2^47585140 is an apocalyptic number.

It is an amenable number.

47585140 is an abundant number, since it is smaller than the sum of its proper divisors (53337332).

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

47585140 is a wasteful number, since it uses less digits than its factorization.

47585140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23667 (or 23665 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 34.

The square root of 47585140 is about 6898.1983155024. The cubic root of 47585140 is about 362.3740727877.

The spelling of 47585140 in words is "forty-seven million, five hundred eighty-five thousand, one hundred forty".