722770498560 has 704 divisors, whose sum is σ = 2762636440320. Its totient is φ = 159205294080.

The previous prime is 722770498487. The next prime is 722770498573. The reversal of 722770498560 is 65894077227.

It is a tau number, because it is divible by the number of its divisors (704).

It is a self number, because there is not a number n which added to its sum of digits gives 722770498560.

It is a congruent number.

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 63 ways as a sum of consecutive naturals, for example, 83292942 + ... + 83301618.

Almost surely, 2^722770498560 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 722770498560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1381318220160).

722770498560 is an abundant number, since it is smaller than the sum of its proper divisors (2039865941760).

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

722770498560 is a wasteful number, since it uses less digits than its factorization.

722770498560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8762 (or 8744 counting only the distinct ones).

The product of its (nonzero) digits is 11854080, while the sum is 57.

The spelling of 722770498560 in words is "seven hundred twenty-two billion, seven hundred seventy million, four hundred ninety-eight thousand, five hundred sixty".