47071315 has 4 divisors (see below), whose sum is σ = 56485584. Its totient is φ = 37657048.

The previous prime is 47071307. The next prime is 47071331. The reversal of 47071315 is 51317074.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 47071315 - 2³ = 47071307 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4707127 + ... + 4707136.

It is an arithmetic number, because the mean of its divisors is an integer number (14121396).

Almost surely, 2^47071315 is an apocalyptic number.

47071315 is a deficient number, since it is larger than the sum of its proper divisors (9414269).

47071315 is an equidigital number, since it uses as much as digits as its factorization.

47071315 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9414268.

The product of its (nonzero) digits is 2940, while the sum is 28.

The square root of 47071315 is about 6860.8538098403. The cubic root of 47071315 is about 361.0650430296.

Adding to 47071315 its reverse (51317074), we get a palindrome (98388389).

The spelling of 47071315 in words is "forty-seven million, seventy-one thousand, three hundred fifteen".