4547047 has 4 divisors (see below), whose sum is σ = 4551480. Its totient is φ = 4542616.

The previous prime is 4546999. The next prime is 4547051. The reversal of 4547047 is 7407454.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4547047 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4547057) 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, 204 + ... + 3022.

It is an arithmetic number, because the mean of its divisors is an integer number (1137870).

Almost surely, 2^4547047 is an apocalyptic number.

4547047 is a deficient number, since it is larger than the sum of its proper divisors (4433).

4547047 is a wasteful number, since it uses less digits than its factorization.

4547047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4432.

The product of its (nonzero) digits is 15680, while the sum is 31.

The square root of 4547047 is about 2132.3805945469. The cubic root of 4547047 is about 165.6697236289.

The spelling of 4547047 in words is "four million, five hundred forty-seven thousand, forty-seven".