679027 has 4 divisors (see below), whose sum is σ = 680680. Its totient is φ = 677376.

The previous prime is 678989. The next prime is 679033. The reversal of 679027 is 720976.

It is a happy number.

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 not a de Polignac number, because 679027 - 2¹¹ = 676979 is a prime.

It is a super-2 number, since 2×679027² = 922155333458, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

679027 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 679027.

It is not an unprimeable number, because it can be changed into a prime (679037) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 328 + ... + 1210.

It is an arithmetic number, because the mean of its divisors is an integer number (170170).

2⁶⁷⁹⁰²⁷ is an apocalyptic number.

679027 is a deficient number, since it is larger than the sum of its proper divisors (1653).

679027 is an equidigital number, since it uses as much as digits as its factorization.

679027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1652.

The product of its (nonzero) digits is 5292, while the sum is 31.

The square root of 679027 is about 824.0309460208. The cubic root of 679027 is about 87.8946311158.

The spelling of 679027 in words is "six hundred seventy-nine thousand, twenty-seven".