47189937 has 8 divisors (see below), whose sum is σ = 63806400. Its totient is φ = 31016720.

The previous prime is 47189929. The next prime is 47189941. The reversal of 47189937 is 73998174.

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 47189937 - 2³ = 47189929 is a prime.

It is not an unprimeable number, because it can be changed into a prime (47189137) 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, 110562 + ... + 110987.

It is an arithmetic number, because the mean of its divisors is an integer number (7975800).

Almost surely, 2^47189937 is an apocalyptic number.

It is an amenable number.

47189937 is a deficient number, since it is larger than the sum of its proper divisors (16616463).

47189937 is a wasteful number, since it uses less digits than its factorization.

47189937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221623.

The product of its digits is 381024, while the sum is 48.

The square root of 47189937 is about 6869.4932127487. The cubic root of 47189937 is about 361.3680890901.

The spelling of 47189937 in words is "forty-seven million, one hundred eighty-nine thousand, nine hundred thirty-seven".