47698447 has 4 divisors (see below), whose sum is σ = 50504256. Its totient is φ = 44892640.

The previous prime is 47698411. The next prime is 47698451. The reversal of 47698447 is 74489674.

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 47698447 - 2⁷ = 47698319 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 47698447.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47698477) 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, 1402879 + ... + 1402912.

It is an arithmetic number, because the mean of its divisors is an integer number (12626064).

Almost surely, 2^47698447 is an apocalyptic number.

47698447 is a deficient number, since it is larger than the sum of its proper divisors (2805809).

47698447 is a wasteful number, since it uses less digits than its factorization.

47698447 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2805808.

The product of its digits is 1354752, while the sum is 49.

The square root of 47698447 is about 6906.4062290022. The cubic root of 47698447 is about 362.6614662372.

The spelling of 47698447 in words is "forty-seven million, six hundred ninety-eight thousand, four hundred forty-seven".