679369073 has 4 divisors (see below), whose sum is σ = 715125360. Its totient is φ = 643612788.

The previous prime is 679369063. The next prime is 679369091. The reversal of 679369073 is 370963976.

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 679369073 - 2⁸ = 679368817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679369003) 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, 17878115 + ... + 17878152.

It is an arithmetic number, because the mean of its divisors is an integer number (178781340).

Almost surely, 2^679369073 is an apocalyptic number.

It is an amenable number.

679369073 is a deficient number, since it is larger than the sum of its proper divisors (35756287).

679369073 is a wasteful number, since it uses less digits than its factorization.

679369073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35756286.

The product of its (nonzero) digits is 1285956, while the sum is 50.

The square root of 679369073 is about 26064.7093404089. The cubic root of 679369073 is about 879.0938817887.

The spelling of 679369073 in words is "six hundred seventy-nine million, three hundred sixty-nine thousand, seventy-three".