722846336 has 64 divisors (see below), whose sum is σ = 1534528800. Its totient is φ = 338181120.

The previous prime is 722846291. The next prime is 722846339. The reversal of 722846336 is 633648227.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 722846293 and 722846302.

It is not an unprimeable number, because it can be changed into a prime (722846339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 200066 + ... + 203646.

Almost surely, 2^722846336 is an apocalyptic number.

722846336 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722846336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (767264400).

722846336 is an abundant number, since it is smaller than the sum of its proper divisors (811682464).

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

722846336 is a wasteful number, since it uses less digits than its factorization.

722846336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3697 (or 3685 counting only the distinct ones).

The product of its digits is 290304, while the sum is 41.

The square root of 722846336 is about 26885.8017548296. The cubic root of 722846336 is about 897.4604689256.

The spelling of 722846336 in words is "seven hundred twenty-two million, eight hundred forty-six thousand, three hundred thirty-six".