679709472 has 96 divisors (see below), whose sum is σ = 1983582720. Its totient is φ = 202383360.

The previous prime is 679709449. The next prime is 679709473. The reversal of 679709472 is 274907976.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is not an unprimeable number, because it can be changed into a prime (679709473) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29904 + ... + 47472.

It is an arithmetic number, because the mean of its divisors is an integer number (20662320).

Almost surely, 2^679709472 is an apocalyptic number.

679709472 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 679709472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (991791360).

679709472 is an abundant number, since it is smaller than the sum of its proper divisors (1303873248).

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

679709472 is a wasteful number, since it uses less digits than its factorization.

679709472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17626 (or 17618 counting only the distinct ones).

The product of its (nonzero) digits is 1333584, while the sum is 51.

The square root of 679709472 is about 26071.2384055687. The cubic root of 679709472 is about 879.2406810889.

The spelling of 679709472 in words is "six hundred seventy-nine million, seven hundred nine thousand, four hundred seventy-two".