47271937 has 4 divisors (see below), whose sum is σ = 47286720. Its totient is φ = 47257156.

The previous prime is 47271929. The next prime is 47271949. The reversal of 47271937 is 73917274.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 47271937 - 2³ = 47271929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 47271937.

It is not an unprimeable number, because it can be changed into a prime (47271907) 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, 373 + ... + 9730.

It is an arithmetic number, because the mean of its divisors is an integer number (11821680).

Almost surely, 2^47271937 is an apocalyptic number.

It is an amenable number.

47271937 is a deficient number, since it is larger than the sum of its proper divisors (14783).

47271937 is a wasteful number, since it uses less digits than its factorization.

47271937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14782.

The product of its digits is 74088, while the sum is 40.

The square root of 47271937 is about 6875.4590392206. The cubic root of 47271937 is about 361.5772794259.

The spelling of 47271937 in words is "forty-seven million, two hundred seventy-one thousand, nine hundred thirty-seven".