47171995 has 8 divisors (see below), whose sum is σ = 60960816. Its totient is φ = 34834656.

The previous prime is 47171983. The next prime is 47172029. The reversal of 47171995 is 59917174.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 47171995 - 2¹⁵ = 47139227 is a prime.

It is a super-3 number, since 3×47171995³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362797 + ... + 362926.

It is an arithmetic number, because the mean of its divisors is an integer number (7620102).

Almost surely, 2^47171995 is an apocalyptic number.

47171995 is a deficient number, since it is larger than the sum of its proper divisors (13788821).

47171995 is a wasteful number, since it uses less digits than its factorization.

47171995 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 725741.

The product of its digits is 79380, while the sum is 43.

The square root of 47171995 is about 6868.1871698433. The cubic root of 47171995 is about 361.3222849169.

The spelling of 47171995 in words is "forty-seven million, one hundred seventy-one thousand, nine hundred ninety-five".