712283728 has 40 divisors (see below), whose sum is σ = 1500681728. Its totient is φ = 325544832.

The previous prime is 712283681. The next prime is 712283773. The reversal of 712283728 is 827382217.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4801 + ... + 38047.

Almost surely, 2^712283728 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 712283728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (750340864).

712283728 is an abundant number, since it is smaller than the sum of its proper divisors (788398000).

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

712283728 is a wasteful number, since it uses less digits than its factorization.

712283728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33371 (or 33365 counting only the distinct ones).

The product of its digits is 75264, while the sum is 40.

The square root of 712283728 is about 26688.6441768779. The cubic root of 712283728 is about 893.0676150875.

The spelling of 712283728 in words is "seven hundred twelve million, two hundred eighty-three thousand, seven hundred twenty-eight".