47275447 has 8 divisors (see below), whose sum is σ = 48596240. Its totient is φ = 45964800.

The previous prime is 47275441. The next prime is 47275451. The reversal of 47275447 is 74457274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-47275447 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 (47275441) 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, 7447 + ... + 12247.

It is an arithmetic number, because the mean of its divisors is an integer number (6074530).

Almost surely, 2^47275447 is an apocalyptic number.

47275447 is a deficient number, since it is larger than the sum of its proper divisors (1320793).

47275447 is a wasteful number, since it uses less digits than its factorization.

47275447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5073.

The product of its digits is 219520, while the sum is 40.

The square root of 47275447 is about 6875.7142901665. The cubic root of 47275447 is about 361.5862283917.

The spelling of 47275447 in words is "forty-seven million, two hundred seventy-five thousand, four hundred forty-seven".