722464512 has 288 divisors, whose sum is σ = 2527365120. Its totient is φ = 177500160.

The previous prime is 722464489. The next prime is 722464513. The reversal of 722464512 is 215464227.

722464512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722464513) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1123263 + ... + 1123905.

Almost surely, 2^722464512 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 722464512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263682560).

722464512 is an abundant number, since it is smaller than the sum of its proper divisors (1804900608).

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

722464512 is a wasteful number, since it uses less digits than its factorization.

722464512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 699 (or 685 counting only the distinct ones).

The product of its digits is 26880, while the sum is 33.

The square root of 722464512 is about 26878.6999685625. The cubic root of 722464512 is about 897.3024213653.

The spelling of 722464512 in words is "seven hundred twenty-two million, four hundred sixty-four thousand, five hundred twelve".