47543071 has 4 divisors (see below), whose sum is σ = 47591200. Its totient is φ = 47494944.

The previous prime is 47543051. The next prime is 47543077. The reversal of 47543071 is 17034574.

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 47543071 - 2⁹ = 47542559 is a prime.

It is a super-2 number, since 2×47543071² = 4520687200222082, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47543077) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22551 + ... + 24568.

It is an arithmetic number, because the mean of its divisors is an integer number (11897800).

Almost surely, 2^47543071 is an apocalyptic number.

47543071 is a deficient number, since it is larger than the sum of its proper divisors (48129).

47543071 is a wasteful number, since it uses less digits than its factorization.

47543071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48128.

The product of its (nonzero) digits is 11760, while the sum is 31.

The square root of 47543071 is about 6895.1483667866. The cubic root of 47543071 is about 362.2672522580.

The spelling of 47543071 in words is "forty-seven million, five hundred forty-three thousand, seventy-one".