5678047 has 4 divisors (see below), whose sum is σ = 5697720. Its totient is φ = 5658376.

The previous prime is 5678041. The next prime is 5678069. The reversal of 5678047 is 7408765.

It is a happy number.

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 5678047 - 2³ = 5678039 is a prime.

It is an Ulam number.

It is a Duffinian number.

5678047 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5677997 and 5678015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5678041) 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, 9397 + ... + 9982.

It is an arithmetic number, because the mean of its divisors is an integer number (1424430).

Almost surely, 2^5678047 is an apocalyptic number.

5678047 is a deficient number, since it is larger than the sum of its proper divisors (19673).

5678047 is a wasteful number, since it uses less digits than its factorization.

5678047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19672.

The product of its (nonzero) digits is 47040, while the sum is 37.

The square root of 5678047 is about 2382.8652920381. The cubic root of 5678047 is about 178.4019762730.

The spelling of 5678047 in words is "five million, six hundred seventy-eight thousand, forty-seven".