47997271 has 8 divisors (see below), whose sum is σ = 54950400. Its totient is φ = 41068248.

The previous prime is 47997253. The next prime is 47997289. The reversal of 47997271 is 17279974.

It is an interprime number because it is at equal distance from previous prime (47997253) and next prime (47997289).

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 47997271 - 2⁹ = 47996759 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47997241) 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, 1531 + ... + 9916.

It is an arithmetic number, because the mean of its divisors is an integer number (6868800).

Almost surely, 2^47997271 is an apocalyptic number.

47997271 is a deficient number, since it is larger than the sum of its proper divisors (6953129).

47997271 is a wasteful number, since it uses less digits than its factorization.

47997271 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12053.

The product of its digits is 222264, while the sum is 46.

The square root of 47997271 is about 6928.0062788655. The cubic root of 47997271 is about 363.4172310441.

The spelling of 47997271 in words is "forty-seven million, nine hundred ninety-seven thousand, two hundred seventy-one".