47198671 has 4 divisors (see below), whose sum is σ = 50829352. Its totient is φ = 43567992.

The previous prime is 47198611. The next prime is 47198677. The reversal of 47198671 is 17689174.

47198671 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 47198671 - 2⁹ = 47198159 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 (47198677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1815321 + ... + 1815346.

It is an arithmetic number, because the mean of its divisors is an integer number (12707338).

Almost surely, 2^47198671 is an apocalyptic number.

47198671 is a deficient number, since it is larger than the sum of its proper divisors (3630681).

47198671 is a wasteful number, since it uses less digits than its factorization.

47198671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3630680.

The product of its digits is 84672, while the sum is 43.

The square root of 47198671 is about 6870.1288925318. The cubic root of 47198671 is about 361.3903819374.

The spelling of 47198671 in words is "forty-seven million, one hundred ninety-eight thousand, six hundred seventy-one".