679470048 has 144 divisors (see below), whose sum is σ = 2047683456. Its totient is φ = 213269760.

The previous prime is 679470041. The next prime is 679470049. The reversal of 679470048 is 840074976.

It is a tau number, because it is divible by the number of its divisors (144).

It is a super-2 number, since 2×679470048² = 923359092258244608, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 679469985 and 679470012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679470041) 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 23 ways as a sum of consecutive naturals, for example, 443043 + ... + 444573.

It is an arithmetic number, because the mean of its divisors is an integer number (14220024).

Almost surely, 2^679470048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679470048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1023841728).

679470048 is an abundant number, since it is smaller than the sum of its proper divisors (1368213408).

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

679470048 is a wasteful number, since it uses less digits than its factorization.

679470048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1637 (or 1626 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 679470048 is about 26066.6462745018. The cubic root of 679470048 is about 879.1374330339.

The spelling of 679470048 in words is "six hundred seventy-nine million, four hundred seventy thousand, forty-eight".