722788704 has 192 divisors, whose sum is σ = 2340576000. Its totient is φ = 215147520.

The previous prime is 722788699. The next prime is 722788723. The reversal of 722788704 is 407887227.

It is a self number, because there is not a number n which added to its sum of digits gives 722788704.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 560092 + ... + 561380.

It is an arithmetic number, because the mean of its divisors is an integer number (12190500).

Almost surely, 2^722788704 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 722788704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1170288000).

722788704 is an abundant number, since it is smaller than the sum of its proper divisors (1617787296).

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

722788704 is a wasteful number, since it uses less digits than its factorization.

722788704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1378 (or 1364 counting only the distinct ones).

The product of its (nonzero) digits is 351232, while the sum is 45.

The square root of 722788704 is about 26884.7299409907. The cubic root of 722788704 is about 897.4366170068.

The spelling of 722788704 in words is "seven hundred twenty-two million, seven hundred eighty-eight thousand, seven hundred four".