722684396720 has 960 divisors, whose sum is σ = 2194359552000. Its totient is φ = 219081646080.

The previous prime is 722684396699. The next prime is 722684396723. The reversal of 722684396720 is 27693486227.

It is a super-3 number, since 3×722684396720³ (a number of 37 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (722684396723) by changing a digit.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 6630132026 + ... + 6630132134.

It is an arithmetic number, because the mean of its divisors is an integer number (2285791200).

Almost surely, 2^722684396720 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 722684396720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1097179776000).

722684396720 is an abundant number, since it is smaller than the sum of its proper divisors (1471675155280).

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

722684396720 is a wasteful number, since it uses less digits than its factorization.

722684396720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 265 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 56.

The spelling of 722684396720 in words is "seven hundred twenty-two billion, six hundred eighty-four million, three hundred ninety-six thousand, seven hundred twenty".