5678020 has 24 divisors (see below), whose sum is σ = 12247704. Its totient is φ = 2209536.

The previous prime is 5678003. The next prime is 5678039. The reversal of 5678020 is 208765.

It can be written as a sum of positive squares in 4 ways, for example, as 1898884 + 3779136 = 1378^2 + 1944^2 .

It is a super-2 number, since 2×5678020² = 64479822240800, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 5678020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3097 + ... + 4576.

It is an arithmetic number, because the mean of its divisors is an integer number (510321).

Almost surely, 2^5678020 is an apocalyptic number.

It is an amenable number.

5678020 is an abundant number, since it is smaller than the sum of its proper divisors (6569684).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5678020 is a wasteful number, since it uses less digits than its factorization.

5678020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 5678020 is about 2382.8596265832. The cubic root of 5678020 is about 178.4016934961.

The spelling of 5678020 in words is "five million, six hundred seventy-eight thousand, twenty".