47005137 has 8 divisors (see below), whose sum is σ = 69637280. Its totient is φ = 31336740.

The previous prime is 47005121. The next prime is 47005159. The reversal of 47005137 is 73150074.

It is not a de Polignac number, because 47005137 - 2⁴ = 47005121 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27), and also a Moran number because the ratio is a prime number: 1740931 = 47005137 / (4 + 7 + 0 + 0 + 5 + 1 + 3 + 7).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47005137.

It is not an unprimeable number, because it can be changed into a prime (47005037) 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, 870439 + ... + 870492.

It is an arithmetic number, because the mean of its divisors is an integer number (8704660).

Almost surely, 2^47005137 is an apocalyptic number.

It is an amenable number.

47005137 is a deficient number, since it is larger than the sum of its proper divisors (22632143).

47005137 is a wasteful number, since it uses less digits than its factorization.

47005137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740940 (or 1740934 counting only the distinct ones).

The product of its (nonzero) digits is 2940, while the sum is 27.

The square root of 47005137 is about 6856.0292443950. The cubic root of 47005137 is about 360.8957554353.

The spelling of 47005137 in words is "forty-seven million, five thousand, one hundred thirty-seven".