679198073 has 16 divisors (see below), whose sum is σ = 749988480. Its totient is φ = 612209664.

The previous prime is 679198061. The next prime is 679198099. The reversal of 679198073 is 370891976.

It is a cyclic number.

It is not a de Polignac number, because 679198073 - 2²⁰ = 678149497 is a prime.

It is a super-2 number, since 2×679198073² = 922620044733826658, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (679198873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80315 + ... + 88367.

It is an arithmetic number, because the mean of its divisors is an integer number (46874280).

Almost surely, 2^679198073 is an apocalyptic number.

It is an amenable number.

679198073 is a deficient number, since it is larger than the sum of its proper divisors (70790407).

679198073 is a wasteful number, since it uses less digits than its factorization.

679198073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8288.

The product of its (nonzero) digits is 571536, while the sum is 50.

The square root of 679198073 is about 26061.4288365009. The cubic root of 679198073 is about 879.0201184132.

The spelling of 679198073 in words is "six hundred seventy-nine million, one hundred ninety-eight thousand, seventy-three".