47187349 has 8 divisors (see below), whose sum is σ = 51819840. Its totient is φ = 42612000.

The previous prime is 47187323. The next prime is 47187373. The reversal of 47187349 is 94378174.

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 47187349 - 2¹³ = 47179157 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 (47184349) 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, 12544 + ... + 15865.

It is an arithmetic number, because the mean of its divisors is an integer number (6477480).

Almost surely, 2^47187349 is an apocalyptic number.

It is an amenable number.

47187349 is a deficient number, since it is larger than the sum of its proper divisors (4632491).

47187349 is a wasteful number, since it uses less digits than its factorization.

47187349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28571.

The product of its digits is 169344, while the sum is 43.

The square root of 47187349 is about 6869.3048411029. The cubic root of 47187349 is about 361.3614828955.

The spelling of 47187349 in words is "forty-seven million, one hundred eighty-seven thousand, three hundred forty-nine".