679792432 has 40 divisors (see below), whose sum is σ = 1441104192. Its totient is φ = 308078400.

The previous prime is 679792429. The next prime is 679792441. The reversal of 679792432 is 234297976.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55507 + ... + 66637.

Almost surely, 2^679792432 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 679792432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (720552096).

679792432 is an abundant number, since it is smaller than the sum of its proper divisors (761311760).

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

679792432 is a wasteful number, since it uses less digits than its factorization.

679792432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11497 (or 11491 counting only the distinct ones).

The product of its digits is 1143072, while the sum is 49.

The square root of 679792432 is about 26072.8293823283. The cubic root of 679792432 is about 879.2764507044.

The spelling of 679792432 in words is "six hundred seventy-nine million, seven hundred ninety-two thousand, four hundred thirty-two".