47017705 has 24 divisors (see below), whose sum is σ = 67174272. Its totient is φ = 31483872.

The previous prime is 47017697. The next prime is 47017709. The reversal of 47017705 is 50771074.

It is not a de Polignac number, because 47017705 - 2³ = 47017697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47017709) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8304 + ... + 12766.

It is an arithmetic number, because the mean of its divisors is an integer number (2798928).

Almost surely, 2^47017705 is an apocalyptic number.

It is an amenable number.

47017705 is a deficient number, since it is larger than the sum of its proper divisors (20156567).

47017705 is a wasteful number, since it uses less digits than its factorization.

47017705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4525 (or 4518 counting only the distinct ones).

The product of its (nonzero) digits is 6860, while the sum is 31.

The square root of 47017705 is about 6856.9457486552. The cubic root of 47017705 is about 360.9279174071.

Adding to 47017705 its reverse (50771074), we get a palindrome (97788779).

The spelling of 47017705 in words is "forty-seven million, seventeen thousand, seven hundred five".