47443047 has 4 divisors (see below), whose sum is σ = 63257400. Its totient is φ = 31628696.

The previous prime is 47443037. The next prime is 47443079. The reversal of 47443047 is 74034474.

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 47443047 - 2⁴ = 47443031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 47442999 and 47443017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47443037) 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, 7907172 + ... + 7907177.

It is an arithmetic number, because the mean of its divisors is an integer number (15814350).

Almost surely, 2^47443047 is an apocalyptic number.

47443047 is a deficient number, since it is larger than the sum of its proper divisors (15814353).

47443047 is a wasteful number, since it uses less digits than its factorization.

47443047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15814352.

The product of its (nonzero) digits is 37632, while the sum is 33.

The square root of 47443047 is about 6887.8913318954. The cubic root of 47443047 is about 362.0130206035.

The spelling of 47443047 in words is "forty-seven million, four hundred forty-three thousand, forty-seven".