679224506 has 4 divisors (see below), whose sum is σ = 1018836762. Its totient is φ = 339612252.

The previous prime is 679224499. The next prime is 679224527. The reversal of 679224506 is 605422976.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 550606225 + 128618281 = 23465^2 + 11341^2 .

It is a super-2 number, since 2×679224506² = 922691859101888072, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169806125 + ... + 169806128.

Almost surely, 2^679224506 is an apocalyptic number.

679224506 is a deficient number, since it is larger than the sum of its proper divisors (339612256).

679224506 is a wasteful number, since it uses less digits than its factorization.

679224506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 339612255.

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 679224506 is about 26061.9359603234. The cubic root of 679224506 is about 879.0315214871.

The spelling of 679224506 in words is "six hundred seventy-nine million, two hundred twenty-four thousand, five hundred six".