679453418 has 16 divisors (see below), whose sum is σ = 1173282624. Its totient is φ = 289068000.

The previous prime is 679453417. The next prime is 679453421. The reversal of 679453418 is 814354976.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (679453417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 175208 + ... + 179043.

It is an arithmetic number, because the mean of its divisors is an integer number (73330164).

Almost surely, 2^679453418 is an apocalyptic number.

679453418 is a deficient number, since it is larger than the sum of its proper divisors (493829206).

679453418 is a wasteful number, since it uses less digits than its factorization.

679453418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 354397.

The product of its digits is 725760, while the sum is 47.

The square root of 679453418 is about 26066.3272825306. The cubic root of 679453418 is about 879.1302606918.

The spelling of 679453418 in words is "six hundred seventy-nine million, four hundred fifty-three thousand, four hundred eighteen".