722319276 has 96 divisors (see below), whose sum is σ = 2048094720. Its totient is φ = 193536000.

The previous prime is 722319253. The next prime is 722319277. The reversal of 722319276 is 672913227.

It is not an unprimeable number, because it can be changed into a prime (722319277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158956 + ... + 163436.

It is an arithmetic number, because the mean of its divisors is an integer number (21334320).

Almost surely, 2^722319276 is an apocalyptic number.

722319276 is a gapful number since it is divisible by the number (76) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722319276, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1024047360).

722319276 is an abundant number, since it is smaller than the sum of its proper divisors (1325775444).

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

722319276 is a wasteful number, since it uses less digits than its factorization.

722319276 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4615 (or 4613 counting only the distinct ones).

The product of its digits is 63504, while the sum is 39.

The square root of 722319276 is about 26875.9981396040. The cubic root of 722319276 is about 897.2422895314.

The spelling of 722319276 in words is "seven hundred twenty-two million, three hundred nineteen thousand, two hundred seventy-six".