712430028 has 72 divisors (see below), whose sum is σ = 1862563248. Its totient is φ = 229477248.

The previous prime is 712430009. The next prime is 712430057. The reversal of 712430028 is 820034217.

It is a junction number, because it is equal to n+sod(n) for n = 712429983 and 712430010.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125050 + ... + 130622.

It is an arithmetic number, because the mean of its divisors is an integer number (25868934).

Almost surely, 2^712430028 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 712430028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (931281624).

712430028 is an abundant number, since it is smaller than the sum of its proper divisors (1150133220).

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

712430028 is a wasteful number, since it uses less digits than its factorization.

712430028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5703 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 712430028 is about 26691.3849022489. The cubic root of 712430028 is about 893.1287549782.

The spelling of 712430028 in words is "seven hundred twelve million, four hundred thirty thousand, twenty-eight".