5678345 has 8 divisors (see below), whose sum is σ = 7049160. Its totient is φ = 4385920.

The previous prime is 5678341. The next prime is 5678347. The reversal of 5678345 is 5438765.

It can be written as a sum of positive squares in 4 ways, for example, as 529984 + 5148361 = 728^2 + 2269^2 .

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

It is not a de Polignac number, because 5678345 - 2² = 5678341 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 5678299 and 5678308.

It is not an unprimeable number, because it can be changed into a prime (5678341) 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, 19436 + ... + 19725.

It is an arithmetic number, because the mean of its divisors is an integer number (881145).

Almost surely, 2^5678345 is an apocalyptic number.

It is an amenable number.

5678345 is a deficient number, since it is larger than the sum of its proper divisors (1370815).

5678345 is a wasteful number, since it uses less digits than its factorization.

5678345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39195.

The product of its digits is 100800, while the sum is 38.

The square root of 5678345 is about 2382.9278209799. The cubic root of 5678345 is about 178.4050972321.

The spelling of 5678345 in words is "five million, six hundred seventy-eight thousand, three hundred forty-five".