722268750 has 96 divisors (see below), whose sum is σ = 2063867904. Its totient is φ = 165060000.

The previous prime is 722268719. The next prime is 722268761. The reversal of 722268750 is 57862227.

722268750 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 722268699 and 722268708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 128499 + ... + 134001.

It is an arithmetic number, because the mean of its divisors is an integer number (21498624).

Almost surely, 2^722268750 is an apocalyptic number.

722268750 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 722268750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1031933952).

722268750 is an abundant number, since it is smaller than the sum of its proper divisors (1341599154).

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

722268750 is an equidigital number, since it uses as much as digits as its factorization.

722268750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5540 (or 5520 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 39.

The square root of 722268750 is about 26875.0581394720. The cubic root of 722268750 is about 897.2213684408.

The spelling of 722268750 in words is "seven hundred twenty-two million, two hundred sixty-eight thousand, seven hundred fifty".