679550112 has 72 divisors (see below), whose sum is σ = 2046160116. Its totient is φ = 213190656.

The previous prime is 679550093. The next prime is 679550117. The reversal of 679550112 is 211055976.

679550112 is a `hidden beast` number, since 67 + 95 + 501 + 1 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 551498256 + 128051856 = 23484^2 + 11316^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (679550117) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64503 + ... + 74294.

Almost surely, 2^679550112 is an apocalyptic number.

It is an amenable number.

679550112 is an abundant number, since it is smaller than the sum of its proper divisors (1366610004).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

679550112 is a wasteful number, since it uses less digits than its factorization.

679550112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 138830 (or 138819 counting only the distinct ones).

The product of its (nonzero) digits is 18900, while the sum is 36.

The square root of 679550112 is about 26068.1819849410. The cubic root of 679550112 is about 879.1719621473.

The spelling of 679550112 in words is "six hundred seventy-nine million, five hundred fifty thousand, one hundred twelve".