722696832 has 384 divisors, whose sum is σ = 2526189120. Its totient is φ = 195379200.

The previous prime is 722696827. The next prime is 722696833. The reversal of 722696832 is 238696227.

It is a tau number, because it is divible by the number of its divisors (384).

Its product of digits (435456) is a multiple of the sum of its prime factors (192).

It is not an unprimeable number, because it can be changed into a prime (722696833) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 6754123 + ... + 6754229.

Almost surely, 2^722696832 is an apocalyptic number.

722696832 is a gapful number since it is divisible by the number (72) 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 722696832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1263094560).

722696832 is an abundant number, since it is smaller than the sum of its proper divisors (1803492288).

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

722696832 is a wasteful number, since it uses less digits than its factorization.

722696832 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192 (or 177 counting only the distinct ones).

The product of its digits is 435456, while the sum is 45.

The square root of 722696832 is about 26883.0212587797. The cubic root of 722696832 is about 897.3985916982.

The spelling of 722696832 in words is "seven hundred twenty-two million, six hundred ninety-six thousand, eight hundred thirty-two".