679446528 has 48 divisors (see below), whose sum is σ = 1811431440. Its totient is φ = 226480128.

The previous prime is 679446511. The next prime is 679446529. The reversal of 679446528 is 825644976.

It is a tau number, because it is divible by the number of its divisors (48).

It is a super-2 number, since 2×679446528² = 923295168822509568, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679446529) 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 3 ways as a sum of consecutive naturals, for example, 49150 + ... + 61437.

It is an arithmetic number, because the mean of its divisors is an integer number (37738155).

Almost surely, 2^679446528 is an apocalyptic number.

It is an amenable number.

679446528 is an abundant number, since it is smaller than the sum of its proper divisors (1131984912).

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

679446528 is a wasteful number, since it uses less digits than its factorization.

679446528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110612 (or 110592 counting only the distinct ones).

The product of its digits is 2903040, while the sum is 51.

The square root of 679446528 is about 26066.1951193495. The cubic root of 679446528 is about 879.1272890738.

The spelling of 679446528 in words is "six hundred seventy-nine million, four hundred forty-six thousand, five hundred twenty-eight".