47404585 has 16 divisors (see below), whose sum is σ = 61863696. Its totient is φ = 34725888.

The previous prime is 47404583. The next prime is 47404597. The reversal of 47404585 is 58540474.

47404585 = 4868² + 4869².

47404585 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 4016016 + 43388569 = 2004^2 + 6587^2 .

It is a cyclic number.

It is not a de Polignac number, because 47404585 - 2¹ = 47404583 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47404583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4392 + ... + 10681.

It is an arithmetic number, because the mean of its divisors is an integer number (3866481).

Almost surely, 2^47404585 is an apocalyptic number.

47404585 is the 4869-th centered square number.

It is an amenable number.

47404585 is a deficient number, since it is larger than the sum of its proper divisors (14459111).

47404585 is a wasteful number, since it uses less digits than its factorization.

47404585 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15132.

The product of its (nonzero) digits is 89600, while the sum is 37.

The square root of 47404585 is about 6885.0987647237. The cubic root of 47404585 is about 361.9151663689.

The spelling of 47404585 in words is "forty-seven million, four hundred four thousand, five hundred eighty-five".