47200447 has 4 divisors (see below), whose sum is σ = 53943376. Its totient is φ = 40457520.

The previous prime is 47200423. The next prime is 47200453. The reversal of 47200447 is 74400274.

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 47200447 - 2⁷ = 47200319 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 (47200457) 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, 3371454 + ... + 3371467.

It is an arithmetic number, because the mean of its divisors is an integer number (13485844).

Almost surely, 2^47200447 is an apocalyptic number.

47200447 is a deficient number, since it is larger than the sum of its proper divisors (6742929).

47200447 is an equidigital number, since it uses as much as digits as its factorization.

47200447 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6742928.

The product of its (nonzero) digits is 6272, while the sum is 28.

The square root of 47200447 is about 6870.2581465328. The cubic root of 47200447 is about 361.3949147012.

The spelling of 47200447 in words is "forty-seven million, two hundred thousand, four hundred forty-seven".