722879296 has 42 divisors (see below), whose sum is σ = 1462403222. Its totient is φ = 354531840.

The previous prime is 722879293. The next prime is 722879299. The reversal of 722879296 is 692978227.

It is an interprime number because it is at equal distance from previous prime (722879293) and next prime (722879299).

It can be written as a sum of positive squares in 3 ways, for example, as 85821696 + 637057600 = 9264^2 + 25240^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (722879291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 177766 + ... + 181786.

Almost surely, 2^722879296 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 722879296, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (731201611).

722879296 is an abundant number, since it is smaller than the sum of its proper divisors (739523926).

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

722879296 is an equidigital number, since it uses as much as digits as its factorization.

722879296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4139 (or 4076 counting only the distinct ones).

The product of its digits is 1524096, while the sum is 52.

The square root of 722879296 is about 26886.4147107791. The cubic root of 722879296 is about 897.4741093754.

The spelling of 722879296 in words is "seven hundred twenty-two million, eight hundred seventy-nine thousand, two hundred ninety-six".