722656846472 has 108 divisors (see below), whose sum is σ = 1511204773365. Its totient is φ = 323731647360.

The previous prime is 722656846469. The next prime is 722656846481. The reversal of 722656846472 is 274648656227.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It can be written as a sum of positive squares in 2 ways, for example, as 645975483076 + 76681363396 = 803726^2 + 276914^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=601106.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2353930943 + ... + 2353931249.

Almost surely, 2^722656846472 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 722656846472

722656846472 is an abundant number, since it is smaller than the sum of its proper divisors (788547926893).

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

722656846472 is an equidigital number, since it uses as much as digits as its factorization.

722656846472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 820 (or 409 counting only the distinct ones).

The product of its digits is 54190080, while the sum is 59.

The spelling of 722656846472 in words is "seven hundred twenty-two billion, six hundred fifty-six million, eight hundred forty-six thousand, four hundred seventy-two".