679149072 has 120 divisors (see below), whose sum is σ = 2286589760. Its totient is φ = 183824640.

The previous prime is 679149047. The next prime is 679149073. The reversal of 679149072 is 270941976.

679149072 is a `hidden beast` number, since 6 + 7 + 91 + 490 + 72 = 666.

679149072 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×679149072² = 922486923996922368, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (679149073) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1422 + ... + 36882.

Almost surely, 2^679149072 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 679149072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1143294880).

679149072 is an abundant number, since it is smaller than the sum of its proper divisors (1607440688).

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

679149072 is a wasteful number, since it uses less digits than its factorization.

679149072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35501 (or 35492 counting only the distinct ones).

The product of its (nonzero) digits is 190512, while the sum is 45.

The square root of 679149072 is about 26060.4887137598. The cubic root of 679149072 is about 878.9989788260.

The spelling of 679149072 in words is "six hundred seventy-nine million, one hundred forty-nine thousand, seventy-two".