47017971 has 96 divisors (see below), whose sum is σ = 96864768. Its totient is φ = 21150720.

The previous prime is 47017969. The next prime is 47017981. The reversal of 47017971 is 17971074.

It is not a de Polignac number, because 47017971 - 2¹ = 47017969 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47017931) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 153000 + ... + 153306.

It is an arithmetic number, because the mean of its divisors is an integer number (1009008).

Almost surely, 2^47017971 is an apocalyptic number.

47017971 is an abundant number, since it is smaller than the sum of its proper divisors (49846797).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47017971 is a wasteful number, since it uses less digits than its factorization.

47017971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 361 (or 358 counting only the distinct ones).

The product of its (nonzero) digits is 12348, while the sum is 36.

The square root of 47017971 is about 6856.9651450186. The cubic root of 47017971 is about 360.9285980488.

The spelling of 47017971 in words is "forty-seven million, seventeen thousand, nine hundred seventy-one".