722312712 has 96 divisors (see below), whose sum is σ = 2169236160. Its totient is φ = 215280000.

The previous prime is 722312707. The next prime is 722312743. The reversal of 722312712 is 217213227.

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 23 ways as a sum of consecutive naturals, for example, 40837 + ... + 55787.

It is an arithmetic number, because the mean of its divisors is an integer number (22596210).

Almost surely, 2^722312712 is an apocalyptic number.

722312712 is a gapful number since it is divisible by the number (72) 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 722312712, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1084618080).

722312712 is an abundant number, since it is smaller than the sum of its proper divisors (1446923448).

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

722312712 is a wasteful number, since it uses less digits than its factorization.

722312712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15035 (or 15028 counting only the distinct ones).

The product of its digits is 2352, while the sum is 27.

The square root of 722312712 is about 26875.8760229318. The cubic root of 722312712 is about 897.2395716584.

Adding to 722312712 its reverse (217213227), we get a palindrome (939525939).

The spelling of 722312712 in words is "seven hundred twenty-two million, three hundred twelve thousand, seven hundred twelve".