712225616 has 20 divisors (see below), whose sum is σ = 1427522100. Its totient is φ = 343832832.

The previous prime is 712225597. The next prime is 712225627. The reversal of 712225616 is 616522217.

712225616 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 475065616 + 237160000 = 21796^2 + 15400^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 767021 + ... + 767948.

It is an arithmetic number, because the mean of its divisors is an integer number (71376105).

Almost surely, 2^712225616 is an apocalyptic number.

It is an amenable number.

712225616 is an abundant number, since it is smaller than the sum of its proper divisors (715296484).

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

712225616 is a wasteful number, since it uses less digits than its factorization.

712225616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535006 (or 1535000 counting only the distinct ones).

The product of its digits is 10080, while the sum is 32.

The square root of 712225616 is about 26687.5554519330. Note that the first 3 decimals coincide. The cubic root of 712225616 is about 893.0433273145.

The spelling of 712225616 in words is "seven hundred twelve million, two hundred twenty-five thousand, six hundred sixteen".