679959042 has 32 divisors (see below), whose sum is σ = 1635993600. Its totient is φ = 184048848.

The previous prime is 679959041. The next prime is 679959079. The reversal of 679959042 is 240959976.

It is not an unprimeable number, because it can be changed into a prime (679959041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 425242 + ... + 426837.

It is an arithmetic number, because the mean of its divisors is an integer number (51124800).

Almost surely, 2^679959042 is an apocalyptic number.

679959042 is an abundant number, since it is smaller than the sum of its proper divisors (956034558).

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

679959042 is a wasteful number, since it uses less digits than its factorization.

679959042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 852110.

The product of its (nonzero) digits is 1224720, while the sum is 51.

The square root of 679959042 is about 26076.0242751843. The cubic root of 679959042 is about 879.3482786507.

The spelling of 679959042 in words is "six hundred seventy-nine million, nine hundred fifty-nine thousand, forty-two".