47540205 has 48 divisors (see below), whose sum is σ = 86800896. Its totient is φ = 24036480.

The previous prime is 47540203. The next prime is 47540209. The reversal of 47540205 is 50204574.

It is not a de Polignac number, because 47540205 - 2¹ = 47540203 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47540201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 73614 + ... + 74256.

It is an arithmetic number, because the mean of its divisors is an integer number (1808352).

Almost surely, 2^47540205 is an apocalyptic number.

47540205 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

47540205 is a deficient number, since it is larger than the sum of its proper divisors (39260691).

47540205 is a wasteful number, since it uses less digits than its factorization.

47540205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 738 (or 735 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 47540205 is about 6894.9405363643. The cubic root of 47540205 is about 362.2599726917.

Adding to 47540205 its reverse (50204574), we get a palindrome (97744779).

The spelling of 47540205 in words is "forty-seven million, five hundred forty thousand, two hundred five".