679414081 has 4 divisors (see below), whose sum is σ = 683913664. Its totient is φ = 674914500.

The previous prime is 679414067. The next prime is 679414111. The reversal of 679414081 is 180414976.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 679414081 - 2¹¹ = 679412033 is a prime.

It is a super-2 number, since 2×679414081² = 923206986922149122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679414381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2249565 + ... + 2249866.

It is an arithmetic number, because the mean of its divisors is an integer number (170978416).

Almost surely, 2^679414081 is an apocalyptic number.

It is an amenable number.

679414081 is a deficient number, since it is larger than the sum of its proper divisors (4499583).

679414081 is a wasteful number, since it uses less digits than its factorization.

679414081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4499582.

The product of its (nonzero) digits is 48384, while the sum is 40.

The square root of 679414081 is about 26065.5727157490. The cubic root of 679414081 is about 879.1132945965.

The spelling of 679414081 in words is "six hundred seventy-nine million, four hundred fourteen thousand, eighty-one".