47500005 has 32 divisors (see below), whose sum is σ = 88061184. Its totient is φ = 21413376.

The previous prime is 47500003. The next prime is 47500009. The reversal of 47500005 is 50000574.

It is not a de Polignac number, because 47500005 - 2¹ = 47500003 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47500001) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4567 + ... + 10763.

It is an arithmetic number, because the mean of its divisors is an integer number (2751912).

Almost surely, 2^47500005 is an apocalyptic number.

It is an amenable number.

47500005 is a deficient number, since it is larger than the sum of its proper divisors (40561179).

47500005 is a wasteful number, since it uses less digits than its factorization.

47500005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6285.

The product of its (nonzero) digits is 700, while the sum is 21.

The square root of 47500005 is about 6892.0247387832. The cubic root of 47500005 is about 362.1578348794.

Adding to 47500005 its reverse (50000574), we get a palindrome (97500579).

The spelling of 47500005 in words is "forty-seven million, five hundred thousand, five".